The new Song of Ice and Fire app is kind of cool! And free! You can set locations for any city in the world (I use my own hometown, my childhood town, my mother's and sister's current towns, plus major cities like London and Las Vegas), and depending on the time and weather in each place, you get a fitting screenshot and quote from the new HBO series!
In-app, these images are animated. Clouds move, grass sways, etc.