Help making gallery upload page easier to use

[renlok]

Im building an auction site script and people complain that the gallery upload page makes no sense or that its just really hard to use i was wondering if someone could tell me if you you find it hard to understand or ideas of how to make it easier to use

well the sites http://www.mezuu.com
login with u:racken p:123456

click sell
choose a random category
then scroll down and click on the make gallery link and a popup should appear and that what i like some feedback on

thanks in advance