Custom page loop problem

Hi guys, I’ve made a custom template page called Gallery. Basically I wanted to pull all of the info from certain posts called gallery. I know there are plugins for this sort of thing but they didn’t really offer what I wanted and I feel most comfortable having the pages set up this way. Basically I’m drawing bits of info – title, tags etc from only posts in the specific “Gallery” category but I’m having trouble with the loop (page goes blank when I wrap the content in it). I’m not actually sure what I want in the loop at this point (some kind of pagination I guess), just trying to get the thing working! If you could take a look at my code and make any suggestions that’d be really helpful, thanks!

EDIT

Here’s the code