Thanks!
Here is a datasheet for the mosfets I am using.
The LED's are just standard, non-addressable waterproof LED strips similar to these:
They have a common cathode and are then the RGB wires are connected to the pins of the arduino through a driver board which follows a schematic my roommate found online. The schematic is at the following URL:
The only change we made was we put our resistors on the left pin for all 3 instead of the middle pin for two and then the left pin for red.
We are also encountering a problem with the whole system hanging when we use brightness down on a common ground through the driver board, but it works perfectly, minus the flickering, when run through a breadboard. Do you have any ideas for that?
Thank you so much.