We've seen many iterations of temporary tattoos, from Flash Tattoos to watercolor designs, and now we're positive we've seen the prettiest faux tattoo of all: pressed flower tattoos. The application process is simple: first, find or make your own pressed flowers. You can DIY them in the microwave or by pressing them in between pages of a heavy book for a day or two. Using brush-on eyelash adhesive, apply the glue onto the skin to create your design. Then press on the flowers. Once you've…