Writing sites with affiliate/referral programs

Do any of you know of any list of sites which writers can use to find jobs, and also offer a referral or affiliate program?
For example, constant-content has a referral program which the referral gets 5% of the money made by the writer (out of constant-content's end of course). eLance has a referral program where the referrer gets $10 for each person who signs up under them, and completes a job.
I'm looking to get a list of all the different sites which offer this type of thing so I can…
Writing sites with affiliate/referral programs

See original post by Michael Levanduski