I thought I'd give a shoutout to Picmonic. I'm studying for Step1 now and its been a nice tool to use. I wish it was available when I was on the rock. Especially good for Path and Micro.
Picmonic - Picture Mnemonics for Medical School and the USMLE | Education's Imagination
Picmonic - Picture Mnemonics for Medical School and the USMLE | Education's Imagination