I already downloaded unzip1st_cbgallery_1.2RC2.zip half an hour ago.
I guess the same file is mentioned twice on your addon-list. unzip1st_cbgallery_1.2RC2.zip contains a module and a plugin. Maybe that's why you are mentioning it twice!?
These are probably the same things:
ProfileGallery module
ProfileGallery module
Download V. 1.2 RC2
Showcase community CB Gallery items with this nifty module (packaged with plugin and documentation).
CB ProfileGallery
CB ProfileGallery
Download V. 1.2 RC2
Image galleries can be added by members in their profiles. Easy and simple with powerful quota system. Packaged with module and documentation.