Will try it out with my own images!
Keep up the good work. Other examples of this authors work is worth checking out
#  /  posted on Feb 12, 2008
getURL(urls[i], "_blank");and instead of it put your code for clicking the big image. (e.g. gotoAndPlay(desired_frame); )
Because in the gallery the PNG's work fine. In the menu, you have to set loadSmoothed variable to false in order to properly load icons.