Great success with planting a slope has to do with the types of plants you use. Here are some great tips, ideas and photos. For low maintenance, be sure to use drought tolerant plants! (Patio Step To Lawn)
Landscaping for Kids? Parents Want 'Playscapes' With Zip Lines, Rope Climbing
Add usable space to your yard. Here a troublesome slope was turned into a deck. The deck was carved into the hillside and surrounded by a retaining wall. Same principle to build nice size pool with deck area.
Amazing Ideas to Plan a Sloped Backyard That You Should Consider