This problem can be reproduced on the Boonex.us site as well.
Photo Block on profile page cannot find photos after member changes nickname. The Photos are there, just the block shows empty.
Screen shot before changing nickname.
Photo block after nickname is changed.
Steps to reproduce problem.
1) Upload some photos.
2) View profile. You will see the block shows the photos.
3) Change nickname
4) View Profile. You will see the block no longer shows the photos.