Please note that the Gallery access has been changed.
Active members with less than 50 posts and 30 days membership can now view all Gallery images, but not comment or upload to the Gallery.
Previously only thumbnails were visible and the menu was disabled.
Active members with more than 50 posts and 30 days membership continue to have full gallery access with unlimited quota.
I.e. you can upload and comment on Gallery images.
NB: The Gallery is not for CC, but exists as a benefit to members of good standing.
Also note that images in the Gallery can be hot linked to external sites unlike attachments and competition entries.