get image extensions from original filename
get image extensions from original filename

roderickm/MediaCrush,roderickm/MediaCrush,nerdzeu/NERDZCrush,roderickm/MediaCrush,nerdzeu/NERDZCrush,nerdzeu/NERDZCrush,MediaCrush/MediaCrush,MediaCrush/MediaCrush