In what ends up being a great post on self promotion, graphic designer Neil Tortorella tells us how to write a great proposal.

For a lot of folks, writing a proposal is often wrought with angst. Where to start? What to include? Don't sweat it. You've come to the right place. I'm going to walk you through the process so you'll be whipping out potent proposals that close the big deals.
The potent power of proposals [Inside the Marketing Mind]