I know this must be posted somewhere...but I'm not finding it! I installed the .4 screensaver hack. I've copied a photo to the screensaver folder. It shows up on my Kindle screen, but it doesn't fill the viewing space. The file is a .jpg, and is 800 high by 600 wide. There's about an inch at the bottom that isn't filled, and about 1/2" on the right isn't filled. Any suggestions?