wannado has a list of the BB5 look alikes and what a list :
wannado look a like lists
it starts with shell and helen and if you click the next set you work through them all (each set has a little comment) lol
shell and helen (bb2)
ahmed and john tickle (bb4)
dan and josh rafter
kitty and brian (bb2)
marco and ray (bb4)
michelle and tanya (bb4)
stuart and alex (bb3)
vic and lee (bb3)