Top left photo looks to be one of the graptopetalum, maybe Graptopetalum superbum http://www.sedumphotos.net/v/s...
Second photo, top right looks to be another graptopetalum. There are so many interspecies crosses now that it can be difficult to tell. http://www.sedumphotos.net/v/s...
Lynn
Regards,
Arif.
