BB Bluff question

[DRKEVDC]

One of the plays that I find useful is bluffing after the flop if the flop is low. Example being 633. I have limped in the BB with say 84o I will often fire out a bet which will get a caller, then once the turn hits I fire out another bet that will usually takedown the pot. Here is my question, would you show that bluff so people think you are a fish? My feeling is if I show then I can't do it again at that table, however, am I likely to get paid off in other areas with that fish image?