F/x and Morph each require a unique enabling code in order to operate. Once enabled, the software will operate continuously without any "nag screens" or requirement for the master installation media.
When you first run fx.exe or morph.exe, you're going to be prompted for user information. For WinImages F/x, enter the following (you can copy/paste from here):
User name: Now Freeware
Key: 0352-3118-8355-1086
For Morph, enter the following:
User name: Now Freeware
Key: 6532-6114-1007-3461