You can create a custom image slideshow via one of the online services available, we suggest froobee.com, here's how to proceed:
- Go to www.frobee.com/slideshow-maker/
- Click on "add photos"
- Select from your computer the images you want to add to the slideshow
- Once done you can view a preview of the slideshow, and change its effects. Or add more images
- Once you've added all the images, click on the green "save" button
- In the following page you will be given the link to an archive ("Download ZIP Archive") containing an .swf file, that is the animation for the created gallery