The Thursday bonus has 3 options as follow:
Deposit $25 for 60 Free Spins on Jane's Farm – coupon: THU25
Deposit $50 for 125 Free Spins on Dragon's Cave – coupon: THU50
Deposit $75 for 185 Free spins on Ibiza – coupon: THU75
Take note that not all levels qualify for the weekly bonuses, for more information click on the Drake Club page.