Thread:Blue Luna/@comment-27046427-20160303143308/@comment-30068215-20160305152935

Well, most people use the file type jpg and png (png is more preferable if the file depicts abstract image such as manga/comic and anime/cartoon). If the file type is unusual, people may not be able to update the image to the new version easily because the file type of the new version has to be equal to the file type of the old version.