When I uploading ZIP-files (and RAR):
Error uploading image file: hp6.zip
hp6.zip: Invalid file type (zip, )
No database entry!
upload_definitions.php
$mime_type_match['zip'] = array("application/zip", "application/x-compressed", "application/x-zip-compressed", "multipart/x-zip");
$mime_type_match['rar'] = array("application/x-rar-compressed", "application/octet-stream");