As you can see i am changing my blog template - it is a work in progress at the moment, but i have gone to a 3 column layout, there are some great tutorials out there that are helping me.
To change to a 3-column layout
Changing your background styles
Changing your little icon in the web address bar (Favicon)
Borders and Backgrounds
Tips for New Bloggers has a lot of different tips for sprucing up your blog.
I need to change the background though as the one now is a little "overwhelming" i think!