There are many ways that you can monetize your Twitter profile. Advertising, affiliate marketing, and Pay Per Message are just a few. Here are some links to get you started:
Learn How To Make Money Advertising With Your Own Twitter Account- Place ads on the background of your Twitter page and get paid by legitimate companies.
Twitter Online System- Discover How to Make Money With this Proven Online System.
Build Yourself an Army of Twitter Followers- The more followers you have, the more you are worth!
Twitter Productivity Tools- With TweetLater, you can automate your social marketing, schedule tweets, mass direct message your followers, handle multiple accounts, and save time!
Tweet-A-Sale- Followers get cool, free stuff from a bunch of online merchants just for following them! Merchants get exclusive access to tons of followers to market to.