version 1.1 (build 2)

info bar
resize thumbnails
change (single-)selection in matrix using arrow keys
speed/memory optimizations in wrapping matrix
- now reuses a single NSImageCell
- setNeedsDisplayInRect redraws only what's needed (selections are faster)
fixed view/thread bugs (setNeedsDisplay is not thread-safe)
animated GIFs - ridiculously simple to implement.
dir listing shows volumes at the top level
dir listing updates on volume mounting, dir renaming/deletion
space now pause/continues auto-advance
pressing 1-9 now starts auto-advance right away
added scale up for small images