>Do I?
>
>I tried to include one of my program files as a post-setup executable, but it wont let me use %s to specify where the application files are installed.
>

I've not used this option...I just know it is there.

>Also, I have seen no mention of an uninstaller in the Setup Wizard. How can you create one?

Install your application. The next time you run the application's setup, an uninstall option will be available. In other words...it happens automagically.