**Be sure to back up your template before making any changes!**
*How to save sidebar widgets when changing your layout
*How to make links open in a new tab/window
*How to change to 3 column layout
*How to customize a header
*Simple horizontal navigation bar under header
*Disappearing Navigation Bar
If you'd like to add a cool font for your post & side bar titles {like what I have} check out Kevin & Amanda's site. She has a huge selection of handwritten fonts & a tutorial on how to use them on your blog!
If you don't see what you're looking for here, do a Google search & you will most likely find hundreds of other sites to help you!