To make Gif background transparent

In Animation Shop: Comes with PSP

Open Animation Shop and load the Gif

Go to Menu Animation, Animation Properties

and then click on Transparent, then OK

Go to Menu Animation, Replace Color

and select the following: Maked with red X

Replace color in: All Frames
Replace: Old Color
With: Transparent Opacity

Move your cursor over the background color of a picture frame, and your cursor will turn into an eyedropper.

Click and the color will now be in the box next to Replace: Old Color

Click OK and your background will be transparent.

Resave the Gif