Post Loop – This site is one of the best pay to post in forum websites. There are tons of forums to choose from, and there is potential to get paid every day with Paypal. You have to have a minimum of $5 to cash out.
Forum Wheel – Very similar to Post Loop. There is a lot of potential earnings here but there is no minimum amount to cash out.
Paid Forum Posting – This is an excellent site that has been around for almost 10 years. They typically pay more than your typical paid forum websites.
Kickstart Your Forums – This site is owned by Paid Forum Posting. They pay between .15 and .20 cents per post.
We Love Forums – Pay is .10 to .25 per post. Pays via Paypal.
Sig Trader – At Sig Trader, you can sign up as a seller and sell ad space in your signature line on different forums. You can charge whatever you feel the space is worth. Buyers contact you directly with offers.