diff --git a/.gitignore b/.gitignore
index db7cd78..103efe3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 internal/database/comfychan.db
 **/*_templ.go
 tmp
-web/static/img/posts
+web/static/img/posts/full/*
+web/static/img/posts/thumb/*
diff --git a/Makefile b/Makefile
index fa7952f..0962b2c 100644
--- a/Makefile
+++ b/Makefile
@@ -19,3 +19,6 @@ db/seed:
 db/seed/f:
 	rm ./internal/database/comfychan.db && sqlite3 ./internal/database/comfychan.db < ./internal/database/seed.sql
 
+img/clear:
+	rm -f ./web/static/img/posts/full/* || true
+	rm -f ./web/static/img/posts/thumb/* || true
diff --git a/internal/database/seed.sql b/internal/database/seed.sql
index b2256f4..35ef6f8 100644
--- a/internal/database/seed.sql
+++ b/internal/database/seed.sql
@@ -39,16 +39,3 @@ CREATE TABLE IF NOT EXISTS posts (
 INSERT INTO boards (slug, name, tag) VALUES 
     ('comfy', 'Comfy', 'Be comfy, fren'),
     ('g', 'Technology', 'Beep boop');
-
--- Welcome threads
-
-  -- /comfy/
-    INSERT INTO threads (board_slug, subject) VALUES ( 
-        'comfy',
-        'Welcome to /comfy/.' 
-    );
-    INSERT INTO posts (thread_id, body, media_path) VALUES (
-        (SELECT id FROM threads WHERE subject LIKE 'Welcome to /comfy/.%'),
-        'Post comfy. Be nice.',
-        '1.jpg'
-    );
diff --git a/web/main.go b/web/main.go
index 8de6c33..fcbd4a1 100644
--- a/web/main.go
+++ b/web/main.go
@@ -19,7 +19,10 @@ import (
 	_ "github.com/mattn/go-sqlite3"
 )
 
+// 10 MB memory limit
 const FILE_MEM_LIMIT int64 = 10 << 20
+const POST_IMG_FULL_PATH = "web/static/img/posts/full"
+const POST_IMG_THUMB_PATH = "web/static/img/posts/thumb"
 
 var dev = true
 
@@ -34,17 +37,35 @@ func disableCacheInDevMode(next http.Handler) http.Handler {
 }
 
 func savePostFile(file *multipart.File, header *multipart.FileHeader) error {
-	dstPath := filepath.Join("web/static/img/posts", header.Filename)
+	dstPathFull := filepath.Join(POST_IMG_FULL_PATH, header.Filename)
+	dstPathThumb := filepath.Join(POST_IMG_THUMB_PATH, header.Filename)
 
-	dst, err := os.Create(dstPath)
+	// save full
+	dstFull, err := os.Create(dstPathFull)
 	if err != nil {
-		log.Printf("os.Create: %v", err)
+		log.Printf("os.Create (full): %v", err)
+		return err
+	}
+	defer dstFull.Close()
+	if _, err := io.Copy(dstFull, *file); err != nil {
+		log.Printf("io.Copy (full): %v", err)
 		return err
 	}
-	defer dst.Close()
 
-	if _, err := io.Copy(dst, *file); err != nil {
-		log.Printf("io.Copy: %v", err)
+	if _, err := (*file).Seek(0, 0); err != nil { // rewind file
+		log.Printf("seek file (thumb): %v", err)
+		return err
+	}
+
+	// save thumbnail
+	dstThumb, err := os.Create(dstPathThumb)
+	if err != nil {
+		log.Printf("os.Create (thumb): %v", err)
+		return err
+	}
+	defer dstThumb.Close()
+	if _, err := io.Copy(dstThumb, *file); err != nil {
+		log.Printf("io.Copy (thumb): %v", err)
 		return err
 	}
 
@@ -144,7 +165,6 @@ func main() {
 		subject := r.FormValue("subject")
 		body := r.FormValue("body")
 
-		// 10 MB memory limit
 		if err := r.ParseMultipartForm(FILE_MEM_LIMIT); err != nil {
 			http.Error(w, "Failed to parse form", http.StatusBadRequest)
 			log.Printf("ParseMultipartForm: %v", err)
@@ -186,7 +206,6 @@ func main() {
 		body := r.FormValue("body")
 		mediaPath := ""
 
-		// 10 MB memory limit
 		if err := r.ParseMultipartForm(FILE_MEM_LIMIT); err != nil {
 			http.Error(w, "Failed to parse form", http.StatusBadRequest)
 			log.Printf("ParseMultipartForm: %v", err)
diff --git a/web/static/img/posts/1.jpg b/web/static/img/posts/1.jpg
deleted file mode 100644
index 64383cc..0000000
Binary files a/web/static/img/posts/1.jpg and /dev/null differ
diff --git a/web/static/img/posts/default.png b/web/static/img/posts/default.png
deleted file mode 100644
index 2d00a48..0000000
Binary files a/web/static/img/posts/default.png and /dev/null differ
diff --git a/web/static/index.css b/web/static/index.css
index a8a31eb..cfa397e 100644
--- a/web/static/index.css
+++ b/web/static/index.css
@@ -65,6 +65,7 @@ body {
     border: 2px solid rgba(111, 111, 111, 0.34);
     width: 200px;
     max-height: 192px;
+    overflow: scroll;
 }
 
 .catalog-preview h1 {
@@ -87,6 +88,8 @@ body {
     max-height: 70%;
     max-width: 80%;
     margin-bottom: 10px;
+    border: 1px solid #B7C5D9;
+    box-shadow: 0 0 3px rgba(0, 0, 0, 0.25);
 }
 
 /* NEW THREAD BUTTON/FORM */
diff --git a/web/views/board.templ b/web/views/board.templ
index 5dcb301..087eda9 100644
--- a/web/views/board.templ
+++ b/web/views/board.templ
@@ -74,7 +74,7 @@ templ ThreadsCatalog(previews []CatalogThreadPreview) {
 		for _, preview := range previews {
 			<div class="catalog-preview">
 				<a href={ templ.URL(preview.ThreadURL) }>
-					<img class="catalog-preview-img" src={ fmt.Sprintf("/static/img/posts/%s", preview.MediaPath) }/>
+					<img class="catalog-preview-img" src={ fmt.Sprintf("/static/img/posts/full/%s", preview.MediaPath) }/>
 				</a>
 				<h1>
 					<a href={ templ.URL(preview.ThreadURL) } class="thread-subject catalog-preview-link">{ preview.Subject }</a>
diff --git a/web/views/thread.templ b/web/views/thread.templ
index 5585ab3..4289d3f 100644
--- a/web/views/thread.templ
+++ b/web/views/thread.templ
@@ -20,7 +20,7 @@ templ ThreadPost(post database.Post, thread *database.Thread) {
 	<article id={ fmt.Sprintf("post-%d", post.Id) } class={ getPostClass(isOp) }>
 		if post.MediaPath != "" {
 			<div class="post-img-container">
-				<img src={ fmt.Sprintf("/static/img/posts/%s", post.MediaPath) } class="post-img"/>
+				<img src={ fmt.Sprintf("/static/img/posts/full/%s", post.MediaPath) } class="post-img"/>
 			</div>
 		}
 		<header class="post-header">