Use these prosumer blogging tools & you can be.

Platypus is a Firefox extension which lets you modify a Web page from your browser -- "What You See Is What You Get" -- and then save those changes as a Greasemonkey script so that they'll be repeated the next time you visit the page.

Now it's easy to put a Google map on any web page, without writing a single line of JavaScript

So you want to make a mashup but aren't entirely sure where to begin? This page can help you get there.