Sanse Mp3 Art Sizer 2.1Free
Size the album art for a music album and attach it to the MP3 files. Automatically process the image and integrate them with all the tracks in a chosen folder or individual files. Adjust the size and dimensions of the art to customize its visualization.
With the Mp3 Art Sizer you can size the album art inside the Mp3 file (or a bunch of files) with just a few clicks, you just load up your files hit go and let the resizer do the work.
Well there’s not an easy answer it’s a combination of file size and the dimensions of the album art, I think maybe only Lil' Monsta knows for sure.