I checked that old Powers affiliate account I have. Still a small bit of activity on it.
The commission structure of the casino games is savage:
Bingo All All £0.00 - £999,999,999.00 Net Revenue Bingo 35.00%
Casino All All £0.00 - £10,000.00 Net Revenue Casino 25.00%
Casino All All £10,000.00 - £25,000.00 Net Revenue Casino 27.50%
Casino All All £100,000.00 - £999,999,999.00 Net Revenue Casino 45.00%