Instead of creating static wireframes & static JPEG mockup, this approach calls for building prototypes directly in HTML and CSS. This has several advantages:

"Axure RP is the standard in interactive wireframe software and gives you the power to quickly and easily deliver much more than typical mockup tools."

One could write long essays filled with reasons why you shouldn't make (too many) wireframes. Or one could—like <b>Cennydd Bowles</b> did—make a simple diagram.

The path to UI hell is sign posted “Lorem Ipsum”. And more sound advice on wireframing.

Mmm, tasty.

Free library for Fireworks containing over 25 objects useful for rapid prototyping including scrollbars, buttons, menus and alerts. Most support 9-slice scaling.

The goal of preparing wireframes is to solve design challenges regarding layout, and priority. This is usually done in wireframes through experimenting with layouts and the application of contrast, similarity and some other principles.