Blogging, and using adsenses is a great way to generate some extra income.
Also https://www.mturk.com/mturk/welcome is another way to generate some extra income. We are not talking super fast here, but I've made about $40 off this site, and it comes in handy!
http://www.squidoo.com/lensmaster/referral/Doodlebug_03 This site is fantastic as it allows you to make small lenses (websites) on virtually any topic you wish. I am still trying to find one with the right appeal, but income generation is possible. I did, of course, include my referal link - that helps you, and me!
I also do webdesign and hosting freelance for very, very reasonable prices.