Lots of scrappers blog, and if you like dressing up your blog, you can find a very good tutorial for creating your own blog background on KevinandAmanda.com. It appears to be geared towards Blogger, with some info on WordPress right at the bottom, and uses Photoshop CS3 and has a link for The Gimp, a free-Photoshop alternative.
You will recognize the site KevinandAmanda.com as a great place for all those fonts that match scrapbooking supplies, so if you’ve never encountered the site before, take some time to browse around. You’ll love it. Here’s a sample to whet your appetite: