diff --git a/app/sampledata/covers/Forget-me-not Volume 1.jpg b/app/sampledata/covers/Forget-me-not Volume 1.jpg
new file mode 100644
index 000000000..f5bbc36e5
Binary files /dev/null and b/app/sampledata/covers/Forget-me-not Volume 1.jpg differ
diff --git a/app/sampledata/covers/Forget-me-not Volume 2.jpg b/app/sampledata/covers/Forget-me-not Volume 2.jpg
new file mode 100644
index 000000000..fea5eaaba
Binary files /dev/null and b/app/sampledata/covers/Forget-me-not Volume 2.jpg differ
diff --git a/app/sampledata/covers/La Pomme Prisoinniere.jpg b/app/sampledata/covers/La Pomme Prisoinniere.jpg
new file mode 100644
index 000000000..f82af29a7
Binary files /dev/null and b/app/sampledata/covers/La Pomme Prisoinniere.jpg differ
diff --git a/app/sampledata/covers/Momo Kanchou no Himitsu Kichi.jpg b/app/sampledata/covers/Momo Kanchou no Himitsu Kichi.jpg
new file mode 100644
index 000000000..6a5207cf7
Binary files /dev/null and b/app/sampledata/covers/Momo Kanchou no Himitsu Kichi.jpg differ
diff --git a/app/sampledata/covers/Omoide Emanon.jpg b/app/sampledata/covers/Omoide Emanon.jpg
new file mode 100644
index 000000000..b078f670a
Binary files /dev/null and b/app/sampledata/covers/Omoide Emanon.jpg differ
diff --git a/app/sampledata/covers/Sasurai Emanon Volume 1.jpg b/app/sampledata/covers/Sasurai Emanon Volume 1.jpg
new file mode 100644
index 000000000..4a185e835
Binary files /dev/null and b/app/sampledata/covers/Sasurai Emanon Volume 1.jpg differ
diff --git a/app/sampledata/covers/Sasurai Emanon Volume 2.jpg b/app/sampledata/covers/Sasurai Emanon Volume 2.jpg
new file mode 100644
index 000000000..f7f745f23
Binary files /dev/null and b/app/sampledata/covers/Sasurai Emanon Volume 2.jpg differ
diff --git a/app/sampledata/covers/Sasurai Emanon Volume 3.jpg b/app/sampledata/covers/Sasurai Emanon Volume 3.jpg
new file mode 100644
index 000000000..714538ff8
Binary files /dev/null and b/app/sampledata/covers/Sasurai Emanon Volume 3.jpg differ
diff --git a/app/sampledata/covers/Wandering Island Volume 1.jpg b/app/sampledata/covers/Wandering Island Volume 1.jpg
new file mode 100644
index 000000000..2d6edccee
Binary files /dev/null and b/app/sampledata/covers/Wandering Island Volume 1.jpg differ
diff --git a/app/sampledata/covers/Wandering Island Volume 2.jpg b/app/sampledata/covers/Wandering Island Volume 2.jpg
new file mode 100644
index 000000000..52e1e5562
Binary files /dev/null and b/app/sampledata/covers/Wandering Island Volume 2.jpg differ
diff --git a/app/sampledata/genres b/app/sampledata/genres
new file mode 100644
index 000000000..017d3ee73
--- /dev/null
+++ b/app/sampledata/genres
@@ -0,0 +1,10 @@
+Slice of Life, Mystery
+Slice of Life, Mystery
+Psychological, Romance, Comedy, Slice of Life, Supernatural
+Sci-Fi, Comedy
+Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
+Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
+Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
+Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
+Adventure, Slice of Life, Mystery
+Adventure, Slice of Life, Mystery
diff --git a/app/sampledata/titles b/app/sampledata/titles
new file mode 100644
index 000000000..9bdeb7594
--- /dev/null
+++ b/app/sampledata/titles
@@ -0,0 +1,10 @@
+Forget-me-not Vol. 1
+Forget-me-not Vol. 2
+La Pomme Prisoinniere
+Momo Kanchou no Himitsu Kichi
+Omoide Emanon
+Sasurai Emanon Vol. 1
+Sasurai Emanon Vol. 2
+Sasurai Emanon Vol. 3
+Wandering Island Vol. 1
+Wandering Island Vol. 2
diff --git a/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt b/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
index ac4c32a1c..6d7e49a77 100644
--- a/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
@@ -62,4 +62,4 @@ fun ImageRequest.Builder.crossfade(context: Context?): ImageRequest.Builder {
 	}
 	val duration = context.resources.getInteger(R.integer.config_defaultAnimTime) * context.animatorDurationScale
 	return crossfade(duration.toInt())
-}
\ No newline at end of file
+}
diff --git a/app/src/main/res/layout/fragment_details.xml b/app/src/main/res/layout/fragment_details.xml
index feb410049..deb2c0a2e 100644
--- a/app/src/main/res/layout/fragment_details.xml
+++ b/app/src/main/res/layout/fragment_details.xml
@@ -29,7 +29,7 @@
 			app:layout_constraintTop_toTopOf="parent"
 			app:layout_constraintWidth_percent="0.3"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover"
-			tools:background="@tools:sample/backgrounds/scenic"
+			tools:background="@sample/covers[5]"
 			tools:ignore="ContentDescription,UnusedAttribute" />
 
 		<org.koitharu.kotatsu.history.ui.util.ReadingProgressView
@@ -53,7 +53,7 @@
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@id/imageView_cover"
 			app:layout_constraintTop_toTopOf="parent"
-			tools:text="@tools:sample/lorem[15]" />
+			tools:text="@sample/titles[5]" />
 
 		<TextView
 			android:id="@+id/textView_subtitle"
diff --git a/app/src/main/res/layout/item_bookmarks_group.xml b/app/src/main/res/layout/item_bookmarks_group.xml
index 3fee1940b..898d3aabd 100644
--- a/app/src/main/res/layout/item_bookmarks_group.xml
+++ b/app/src/main/res/layout/item_bookmarks_group.xml
@@ -20,7 +20,7 @@
 			app:layout_constraintStart_toStartOf="parent"
 			app:layout_constraintTop_toTopOf="parent"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-			tools:src="@tools:sample/backgrounds/scenic" />
+			tools:src="@sample/covers" />
 
 		<TextView
 			android:id="@+id/textView_title"
@@ -33,7 +33,7 @@
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@+id/imageView_cover"
 			app:layout_constraintTop_toTopOf="@+id/imageView_cover"
-			tools:text="@tools:sample/lorem[3]" />
+			tools:text="@sample/titles" />
 
 		<androidx.recyclerview.widget.RecyclerView
 			android:id="@+id/recyclerView"
@@ -50,4 +50,4 @@
 
 	</androidx.constraintlayout.widget.ConstraintLayout>
 
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/app/src/main/res/layout/item_category.xml b/app/src/main/res/layout/item_category.xml
index 0167891c8..5bf8304b6 100644
--- a/app/src/main/res/layout/item_category.xml
+++ b/app/src/main/res/layout/item_category.xml
@@ -26,7 +26,7 @@
 		app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
 		app:tintMode="src_atop"
 		tools:backgroundTint="#99FFFFFF"
-		tools:src="@tools:sample/backgrounds/scenic"
+		tools:src="@sample/covers"
 		tools:tint="#99FFFFFF" />
 
 	<com.google.android.material.imageview.ShapeableImageView
@@ -44,7 +44,7 @@
 		app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
 		app:tintMode="src_atop"
 		tools:backgroundTint="#4DFFFFFF"
-		tools:src="@tools:sample/backgrounds/scenic"
+		tools:src="@sample/covers"
 		tools:tint="#4DFFFFFF" />
 
 	<com.google.android.material.imageview.ShapeableImageView
@@ -60,7 +60,7 @@
 		app:layout_constraintStart_toStartOf="parent"
 		app:layout_constraintTop_toTopOf="parent"
 		app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-		tools:src="@tools:sample/backgrounds/scenic" />
+		tools:src="@sample/covers" />
 
 	<TextView
 		android:id="@+id/textView_title"
@@ -107,4 +107,4 @@
 		app:layout_constraintEnd_toEndOf="parent"
 		tools:visibility="visible" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_download.xml b/app/src/main/res/layout/item_download.xml
index 980e54799..c81eb505e 100644
--- a/app/src/main/res/layout/item_download.xml
+++ b/app/src/main/res/layout/item_download.xml
@@ -24,7 +24,7 @@
 			app:layout_constraintStart_toStartOf="parent"
 			app:layout_constraintTop_toTopOf="parent"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover"
-			tools:src="@tools:sample/backgrounds/scenic" />
+			tools:src="@sample/covers" />
 
 		<TextView
 			android:id="@+id/textView_title"
@@ -39,7 +39,7 @@
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@id/imageView_cover"
 			app:layout_constraintTop_toTopOf="parent"
-			tools:text="@tools:sample/lorem" />
+			tools:text="@sample/titles" />
 
 		<com.google.android.material.progressindicator.LinearProgressIndicator
 			android:id="@+id/progressBar"
@@ -50,7 +50,8 @@
 			android:layout_marginEnd="8dp"
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@id/imageView_cover"
-			app:layout_constraintTop_toBottomOf="@id/textView_title" />
+			app:layout_constraintTop_toBottomOf="@id/textView_title"
+			tools:progress="25"/>
 
 		<TextView
 			android:id="@+id/textView_status"
diff --git a/app/src/main/res/layout/item_feed.xml b/app/src/main/res/layout/item_feed.xml
index 1dcb660b8..6ec6681d1 100644
--- a/app/src/main/res/layout/item_feed.xml
+++ b/app/src/main/res/layout/item_feed.xml
@@ -19,7 +19,7 @@
 		app:layout_constraintStart_toStartOf="parent"
 		app:layout_constraintTop_toTopOf="parent"
 		app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-		tools:src="@tools:sample/backgrounds/scenic" />
+		tools:src="@sample/covers" />
 
 	<TextView
 		android:id="@+id/textView_title"
@@ -33,7 +33,7 @@
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toEndOf="@+id/imageView_cover"
 		app:layout_constraintTop_toTopOf="@+id/imageView_cover"
-		tools:text="@tools:sample/lorem" />
+		tools:text="@sample/titles" />
 
 	<TextView
 		android:id="@+id/textView_summary"
@@ -49,4 +49,4 @@
 		app:layout_constraintTop_toBottomOf="@+id/textView_title"
 		tools:text="@string/new_chapters" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_manga_grid.xml b/app/src/main/res/layout/item_manga_grid.xml
index 1d102affe..23dd30c10 100644
--- a/app/src/main/res/layout/item_manga_grid.xml
+++ b/app/src/main/res/layout/item_manga_grid.xml
@@ -24,10 +24,10 @@
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
 				android:orientation="horizontal"
-				android:scaleType="centerCrop"
+				android:adjustViewBounds="true"
 				app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover"
 				tools:ignore="ContentDescription"
-				tools:src="@tools:sample/backgrounds/scenic[3]" />
+				tools:src="@sample/covers[5]" />
 
 			<org.koitharu.kotatsu.history.ui.util.ReadingProgressView
 				android:id="@+id/progressView"
@@ -51,8 +51,8 @@
 			android:textColor="?android:attr/textColorPrimary"
 			app:layout_constraintStart_toStartOf="parent"
 			app:layout_constraintTop_toBottomOf="@+id/thumbnail"
-			tools:text="Sample name" />
+			tools:text="@sample/titles[5]" />
 
 	</LinearLayout>
 
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/app/src/main/res/layout/item_manga_list.xml b/app/src/main/res/layout/item_manga_list.xml
index 5694c2289..70e5bf349 100644
--- a/app/src/main/res/layout/item_manga_list.xml
+++ b/app/src/main/res/layout/item_manga_list.xml
@@ -19,7 +19,7 @@
 		app:layout_constraintStart_toStartOf="parent"
 		app:layout_constraintTop_toTopOf="parent"
 		app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-		tools:src="@tools:sample/backgrounds/scenic" />
+		tools:src="@sample/covers" />
 
 	<TextView
 		android:id="@+id/textView_title"
@@ -33,7 +33,7 @@
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toEndOf="@+id/imageView_cover"
 		app:layout_constraintTop_toTopOf="@+id/imageView_cover"
-		tools:text="Title" />
+		tools:text="@sample/titles" />
 
 	<TextView
 		android:id="@+id/textView_subtitle"
@@ -47,6 +47,6 @@
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toEndOf="@+id/imageView_cover"
 		app:layout_constraintTop_toBottomOf="@+id/textView_title"
-		tools:text="Description" />
+		tools:text="@sample/genres" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_manga_list_details.xml b/app/src/main/res/layout/item_manga_list_details.xml
index 2eccf29bc..b23b6e245 100644
--- a/app/src/main/res/layout/item_manga_list_details.xml
+++ b/app/src/main/res/layout/item_manga_list_details.xml
@@ -22,7 +22,7 @@
 			app:layout_constraintStart_toStartOf="parent"
 			app:layout_constraintTop_toTopOf="parent"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover"
-			tools:src="@tools:sample/backgrounds/scenic" />
+			tools:src="@sample/covers" />
 	
 		<org.koitharu.kotatsu.history.ui.util.ReadingProgressView
 			android:id="@+id/progressView"
@@ -46,7 +46,7 @@
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@+id/imageView_cover"
 			app:layout_constraintTop_toTopOf="parent"
-			tools:text="@tools:sample/lorem/random" />
+			tools:text="@sample/titles" />
 
 		<TextView
 			android:id="@+id/textView_subtitle"
@@ -90,7 +90,7 @@
 				android:requiresFadingEdge="horizontal"
 				android:singleLine="true"
 				android:textAppearance="?attr/textAppearanceBodySmall"
-				tools:text="@tools:sample/lorem/random" />
+				tools:text="@sample/genres" />
 
 			<TextView
 				android:id="@+id/textView_rating"
diff --git a/app/src/main/res/layout/item_search_suggestion_manga_grid.xml b/app/src/main/res/layout/item_search_suggestion_manga_grid.xml
index 63bbb149e..0be67d575 100644
--- a/app/src/main/res/layout/item_search_suggestion_manga_grid.xml
+++ b/app/src/main/res/layout/item_search_suggestion_manga_grid.xml
@@ -23,7 +23,7 @@
 			android:orientation="vertical"
 			android:scaleType="centerCrop"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-			tools:src="@tools:sample/backgrounds/scenic" />
+			tools:src="@sample/covers" />
 
 		<TextView
 			android:id="@+id/textView_title"
@@ -33,8 +33,8 @@
 			android:ellipsize="end"
 			android:lines="1"
 			android:textAppearance="?attr/textAppearanceLabelSmall"
-			tools:text="@tools:sample/lorem[6]" />
+			tools:text="@sample/titles" />
 
 	</LinearLayout>
 
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/app/src/main/res/layout/layout_scrobbling_info.xml b/app/src/main/res/layout/layout_scrobbling_info.xml
index 079308b0d..f4b14cb16 100644
--- a/app/src/main/res/layout/layout_scrobbling_info.xml
+++ b/app/src/main/res/layout/layout_scrobbling_info.xml
@@ -22,7 +22,7 @@
 			android:layout_alignParentTop="true"
 			android:contentDescription="@null"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Small"
-			tools:src="@tools:sample/avatars" />
+			tools:src="@sample/covers[7]" />
 
 		<TextView
 			android:id="@+id/textView_title"
@@ -37,7 +37,7 @@
 			android:textAppearance="@style/TextAppearance.Material3.TitleSmall"
 			app:drawableTint="?colorControlNormal"
 			tools:drawableEndCompat="@drawable/ic_shikimori"
-			tools:text="@string/tracking" />
+			tools:text="@sample/titles[5]" />
 
 		<RatingBar
 			android:id="@+id/ratingBar"
@@ -65,4 +65,4 @@
 
 	</RelativeLayout>
 
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/app/src/main/res/layout/sheet_scrobbling.xml b/app/src/main/res/layout/sheet_scrobbling.xml
index af702f81a..05e24fc5a 100644
--- a/app/src/main/res/layout/sheet_scrobbling.xml
+++ b/app/src/main/res/layout/sheet_scrobbling.xml
@@ -32,7 +32,7 @@
 			app:layout_constraintTop_toBottomOf="@id/dragHandle"
 			app:layout_constraintWidth_percent="0.3"
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover"
-			tools:background="@tools:sample/backgrounds/scenic"
+			tools:background="@sample/covers[9]"
 			tools:ignore="ContentDescription,UnusedAttribute" />
 
 		<TextView
@@ -47,7 +47,7 @@
 			app:layout_constraintEnd_toStartOf="@id/button_menu"
 			app:layout_constraintStart_toEndOf="@id/imageView_cover"
 			app:layout_constraintTop_toBottomOf="@id/dragHandle"
-			tools:text="@tools:sample/lorem[15]" />
+			tools:text="@sample/titles[9]" />
 
 		<ImageButton
 			android:id="@+id/button_menu"