hmmmm...ideas.

Well, any one of those combinations would work, so it's really just a matter of personal preference. What's more important to you, colour or slightly unusual appearance? Would you rather have a relatively easy to care for nano tank, or are you prepared for critters that require specialised feeding? The answers to those questions will steer you to the setup that's right for you.
 
bumblebees arnt FW (and you deffinetly CAN NOT put 5 in a 5g).

1 male dwarf gourami (and a female if you can get em), maybe 1 pygmy gourami, 1 oto and some shrimp maybe?

2 sparklings and 2 platys and snails/shrimp?
 
sparkling gouramies. look up the photo on www.aquahobby.com under gallery, really impressive one there
 
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