diff --git a/api/download_subreddit_images.go b/api/download_subreddit_images.go
index f934ea6..3ee0473 100644
--- a/api/download_subreddit_images.go
+++ b/api/download_subreddit_images.go
@@ -147,7 +147,7 @@ func (api *API) downloadSubredditImage(ctx context.Context, post reddit.Post, de
 		return nil
 	}
 	if !errors.Is(errStat, os.ErrNotExist) {
-		return errs.Wrapw(err, "failed to check thumbail existence", "path", thumbnailPath)
+		return errs.Wrapw(err, "failed to check thumbnail existence", "path", thumbnailPath)
 	}
 
 	thumbnailSource, err := imaging.Open(tmpImageFile.filename)
diff --git a/api/reddit/post.go b/api/reddit/post.go
index 72f69d8..ff0452b 100644
--- a/api/reddit/post.go
+++ b/api/reddit/post.go
@@ -235,6 +235,19 @@ func (post *Post) GetThumbnailTargetPath(cfg *config.Config) string {
 	return path.Join(baseDownloadDir, "_thumbnails", post.GetSubreddit(), post.GetImageFilename())
 }
 
+func (post *Post) GetThumbnailRelativePath() string {
+	return path.Join("_thumbnails", post.GetSubreddit(), post.GetImageFilename())
+}
+
+func (post *Post) GetImageRelativePath(device queries.Device) string {
+	return path.Join(device.Name, post.GetSubreddit(), post.GetImageFilename())
+}
+
+func (post *Post) GetWindowsWallpaperImageRelativePath(device queries.Device) string {
+	filename := fmt.Sprintf("%s_%s", post.GetSubreddit(), post.GetImageFilename())
+	return path.Join(device.Name, filename)
+}
+
 func (post *Post) GetImageFilename() string {
 	if !post.IsImagePost() {
 		return ""
diff --git a/db/queries/devices.sql b/db/queries/devices.sql
new file mode 100644
index 0000000..02d60f6
--- /dev/null
+++ b/db/queries/devices.sql
@@ -0,0 +1,7 @@
+-- name: GetDevices :many
+SELECT * FROM devices;
+
+-- name: CreateDevice :one
+INSERT INTO devices (name, resolution_x, resolution_y, aspect_ratio_tolerance, min_x, min_y, max_x, max_y, nsfw, windows_wallpaper_mode)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+RETURNING *;