diff --git a/layouts/photos/single.html b/layouts/photos/single.html
index ebfe4ca..a1ad7bd 100644
--- a/layouts/photos/single.html
+++ b/layouts/photos/single.html
@@ -12,8 +12,8 @@
 	<div class="gallery">
 	{{ range $images }} 
 		<div class="gallery-item">
-			{{ $thumbnail := .Process "resize x600 q50 jpeg"  }}
-			{{ $public := .Process "jpeg q100" }}
+			{{ $thumbnail := .Process "resize x400 q50 jpeg"  }}
+			{{ $public := .Process "resize 2160x jpeg" }}
 			<a href="{{ $public.RelPermalink }}" target="_blank"><img src="{{ $thumbnail.RelPermalink }}" /></a>
     </div>
 	{{ end }}