From Alexandra Danilovich: "I recently installed Kang's filters and they are now my favourite free filters. They are really great. There are about 100 filters with hilarious names and they are all wonderful :) "
MAC's Page Curl I & Page Curl II - very nice and elegant freeware Page Curling filters made by Mark McLaren that are compatible with Paint Shop Pro. Just make sure you apply the filter to the background layer. Applying it to another layer will make the entire thing transparent. Mark also did MAC's Remove White