I cropped a bunch of concept pictures for my 1280x720 droid mini screen. Here's a link if you want them:
https://drive.google.com/folderview?id=0B-zxY2DEjrb6TDFucE1ZTDl1bFU&usp=sharing
I like to use the MultiPicture Live Wallpaper app from the Play Store so I can shuffle through them all...