MyLot

One of the companies which pays you for posting on forums is myLot. There are already over 120,000 registered users and the number is growing. The way the system works is that you can either start a new discussion or post a comment. This company pays you $0.01-$0.03 for every discussion you start and $0.01 for every comment you make. The minimum withdrawal is $10 and you will need a PayPal account to be paid.
You can also earn money by the referral system- there are many people who have a few hundred referrals and considering that you earn 25% of your referral income you might actually earn this way a substantial amount of money.
Even if you are not really interested in obtaining referrals or even posting a lot in hope of earning money, you might just treat myLot as a discussion place and over time your income will accumulate to $10. If this offer sounds interesting you can sign up by visiting their page.