50nl.. should a have checked at the flop?

[tokeweed]

http://www.liquidpoker.net/h/106379

check flop?

[IceMuncher]

Perfectly fine. A check here is more suspicious than a bet.

[55555]

If you would usually c-bet, then you have to bet or it will look more suspicious. You made a small enough bet to try and keep some players in, sometimes they just wont do what you want them too.