Mason jar one is my favourite, & definitely doable 12 Bathroom Organization Ideas. A few of my favorites: Container Store mini bins for eyeliners and lip liners, over the door shelf, and magnetic strip.
a large letter with black and white photos mod podged on - This was probably my favorite project. Wooden letter at Hobby Lobby, black and white pictures on plain old printer paper, Mod Podge, sand. The best gift ever!