WP Showroom Problem (wont generate thumbnails or insert pics)

I am having problems uploading photos to my website using the WPShowroom feature. When I updated to wordpress 2.9.2 I started having these problems. When I get to part 3 of the process (generate thumbnails and insert pictures) it doesn’t seem to work.

All it doesn’t is just say that it is working while never inserting the pictures or generating the thumbnails. All is does is tell me it’s working while I continue to see the circle that let’s you know something is uploading. I know before that I had to make the pictures less than 600 pixels in width or height so I tried that and it still wouldn’t upload. I am using firefox as my web browser as well.

If anybody could help I would greatly appreciate it