2
i tried a couple of gallery mods and i like using myAlbumP for the plain and simple reason that is supports the GD2 library and my host doesn't have imagemagic or netpbm and i don't know how to install them. XoopsGallery seems really cool, but it was waaayyy too hard to set up, though it might be simpler if your host has ImageMagic or NetPBM.
in reponse to your second comment, i don't know if there's any of the gallery mods that support users creating their own gallery using their user name, but in myAlbumP, there's a My Photos link, that users can use to browse through their postings.
well, i hope that helps you out. good luck with your site!
-zimmi88 =)