This book cover shows excellent figure ground/negative space. The contours formed by the position of the fox serve as the shape of a boy, I'm assuming "Peter." This empty space also creates a wonderful focal point for the book title to nestle into.
DIY Houses by Night - cut out a picture of a house or castle, carefully cut out windows, and wrap around a flameless candle. So pretty. This would be great to do for friends - with a picture of their house, in black & white or sepia tones