has updated to PS3 Theme Builder v1.6.1 today, with the following changes:
Download: PS3 Theme Builder v1.6.1
Fixed the error that was causing the could not find the p3textractor dialog to show no matter what.
Additional Bug Fixes
Refactored a whole bunch of code
Added ability to copy P3T files to a USB drive
Added ability to create themes from p3t files
Added ability to remove Icons