Basic Blending

step one
Grab two images that match. I chose two Jamie Lynn Spears pictures. Copy and paste them to Paintshop Pro.

step two
Now open up a new blank image.

step three
Paste your first picture by copying and pasting as a new layer.

Past the second image, as a new layer as well, overlapping on the first one as below:

step four
Get your selection tool () and adjust your settings to mine:

step five
Now make a rectangle on the area where the two images overlapped.

Now press Delete. Keep repeating the process until you are satisfied. If you are having trouble with tiny pieces then zoom in and carefully try it. Otherwise set the "Feather" lower. When you're done it should be looking something like this:

step six
This step is optional. Add borders, text, effects, brushes, and you're done!