Version 4.1.2

system/Image/Gd.php

@@ -79,13 +79,13 @@ class _GD extends \IPS\Image
 			case 'gif':
 				if ( $this->isAnimatedGif )
 				{
-					return $this->contents;
+					return (string) $this->contents;
 				}
 				imagegif( $this->image );
 			break;
 			
 			case 'jpeg':
-				$quality	= \IPS\Settings::i()->image_jpg_quality ?: NULL;
+				$quality	= \IPS\Settings::i()->image_jpg_quality ?: 75;
 
 				imagejpeg( $this->image, NULL, $quality );
 			break;