ok i THINK my band is playin at the door (club in ft. worth texas), and i'm not sure if i should mic my cymbols because it's a small club...... anyone got inside info?
As Jon and Chrisso said, you shouldn't need to mic cymbals in a small venue.
Also my band is going to record a demo, would one mic be good for recording drums? i was thinking three... where should i place them?
One mic can be fine for recording drums, two is easier, three is plenty.
As for mics and placement ...
One - I recommend a large diaphragm condensor. And I recommend treating it as a room mic. Start about 3' in front of the kit and aimed at where a bass mounted tom mount would be.
Two - Large diaphragm condensor as overhead, start with it aimed at your rack toms, about 1-2' above your cymbals. Bass dynamic on bass, wherever ever it works best.
Three - Just like two mics, but with a pair of overheads in XY pattern.
These are just my ideas and starting points for recording. There are gobs of variables and experimentation is key.