Active cooling for the ramps board?

[printbus]

... for a permanent solution I would like to figure out a mount that can cover the stepper drivers and also direct some airflow between the arduno and the plywood frame.

Or go with something like Rambo electronics that combines the Arduino, the RAMPS, and the stepper drivers all on one board that should be easier to cool. It'll be interesting to see how Rambo works out for those buying the 12-inch i3v that ships with it.