A blue cactus, so beautiful and unusual, looks like glass... I wish to have this in my garden.
Jacksonia scoparia. I have seen many cactus but have never seen one quite like this. Green, purple and pink.
Rose shaped succulent called Greenovia dodrentalis
Sedum tetractinum - http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi?search_op=and_op=and=e=5=grd=tt=1=231
Sedum morganianum - good Option for pot cluster to spill over. Look good under lemon
Astrophytum asterias cv "Super Kabuto V"
Senecio haworthii....a rare must have succulent.