Creative ways to make Baby Making more fun!

My husband has struggled with low sex drive for several years now. This obviously makes getting pregnant that much more of a challenge. In addition , it's summer which means he's working 10 hour days in the heat and is exhausted when he comes home. It's also my week of ovulation... So in an effort to make sex seem like less of a pressure and more work, I created a little drawing of sorts to spice things up. Each day he can choose one paper from each jar (a different type of four play and position). He also gets to pick one mystery sex coupon and four of them have a bonus sex scratch off ticket! (Don't ask me where I got them, I've had them for years and never used them... Sad I know). And if that's not enough to make it a little fun and exciting ... I've written a dirty fantasy of us together for him to read that includes a dirty picture of me. (I just hope he's ready for a baby making marathon!) Anyone else made silly naughty games like these? I'll be honest ... I had to search online for position ideas LOL