Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
How many pictures are you trying to upload? I know the bulk uploader will only let you upload about 4 pics even though there are spaces for many more than that.
I'm not sure what the problem could be, maybe you could try making the pics a little smaller (100k)? if that doesn't work, I would try what hawkeye suggested and try photobucket or something like that.