diff --git a/background.js b/background.js
index c333f06..2d660cb 100644
--- a/background.js
+++ b/background.js
@@ -103,7 +103,7 @@ function getBetterUrl(url) {
 }
 
 function cleanExtension(url) {
-	var trailingStrings = ["?", ":orig"];
+	var trailingStrings = ["?", ":orig", ":large", ":small", ":thumb", ":medium"];
 
 	for(trailingString of trailingStrings) {
 		if(url.indexOf(trailingString) != -1) {