The unregistered evaluation version (no time limit) adds an advertising slide to the end of each SWF slideshow created. Price to register/buy: $49.95 at Alive Media
First AliveFlashSlideshowMaker.exe has to be installed on your Windows computer. Then inside that program you create your slide show. The resulting .swf file contains all pictures, so the more photos you include, the larger the size of the file will be.