[magyosha]

Where do you want the images stored?
in a directory ... not the database .. anywhere will do ..

Do you want to set limits on image sizes? (total size / width / height)
auto resize prefered ..

Do you want to allow a certain number of images per row? maybe thumbs, and popup link or a link to sub profile page!
sound good .. a sub profile for pics

Do you want this based on groups or per single user?
groups ..
eg on my site i'd want .... new users to site = no access to secondry profile area.. validated members have full access

Do you want a user to have different cat(s), but limit them? (number of cat(s), number of images allowed per cat)
mmm .... not really needed for me .. but a good option