This site has a variety of tutorial files to help you with Flash, Fireworks and Dreamweaver effects.

This is done in Fireworks, by following a webpage tutorial.

This video tutorial will help you produce a Flash effect in which a background fades as your mouse passes over the screen, hiding one menu and revealing another.

Medium

This Flash tutorial will show you how to set up an image gallery in which the pictures are only loaded when the user clicks on a button.