Paint Shop Pro has a special type of clip art that they call Tubes.
Most of the tube art has a drop shadow already and they can be anything from leaves to bugs. There is a Picture Tube tool that you use to "paint" the tube clip art. When you use this tool, the Tools Palette has a list of the tubes available. You can also scale the tubes up to 250% and set the step up to 500. The smaller the step number, the closer together the tubes will "paint" on your image.
Paint Shop Pro still has some followers but Photoshop Elements is more popular. So some of the PSP user groups are not as active as in the past. You can find tutorials for PSP on the Corel site.
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