With up to 8$/Lot on FX, DB Investing is one of the most versatile brokers for IB with Rebate/CPA Hybrids.
Their Partners Program include:
FX Globe´s Introducing Broker program is suited for both beginner and expert brokers. Rebates may go up to 18$/Lot on Fx.
VT Markets is often used by IBs due to their high reputation. Their rebate deals go up to 8$/Lot for FX.