Greeting Cards
The Print Shop Deluxe http://www.learningco.com/
Slideshows
Irfanview (Freeware) http://www.irfanview.com/english.htm
QSlide (Freeware) http://members.aon.at/abruckner/qslide/
VueSlide (Freeware)
http://www.hamrick.com/upg.html
HTML SS
Other
3D Fotocube (Freeware) http://www.simtel.net/pub/pd/9411.html
ScreensaverShot ($20
Shareware) http://www.ScreensaverShot.com/
2Flyer
Screensaver Builder ($15 Shareware) http://www.2flyer.com