There's several different rocks of varying sizes complete with a different range of colors. Icons included for the lamps, floor lamps and rocks as well. Everything can be made "Light" objects in the CS.
http://img.photobucket.com/albums/v444/ghostnull/Shards/NewLamps1.jpg-------------\
http://img.photobucket.com/albums/v444/ghostnull/Shards/NewFloorLamps.jpg---------The crystals have changed, not near as bright anymore as shown here
http://img.photobucket.com/albums/v444/ghostnull/Shards/HangingLamps1.jpg-----/
http://img.photobucket.com/albums/v444/ghostnull/Shards/3Lengths.jpg
http://img.photobucket.com/albums/v444/ghostnull/Shards/ShardRocks.jpg Probably would've looked better if I made them "Light" objects in the CS...
http://www.4shared.com/file/Hz3S5S4i/Shard_Lamps-Rocks.html
- Enjoy
EDIT: If you're having problems with the crystals "hitching" around the CS, download the file again as it contains fixed crystals.