i just do a check after i shower after every ride. i'll have my wife check my back for me. sometimes i'll check for them right after a ride too to see if i have any freeloaders. i don't wear any special clothing or anything. i normally wear brighter colors just to (1) not get shot where hunting is legal and (2) stay a touch cooler.
if you catch a tick on you, and its latched, you don't necessarily have to freak out about getting lymes.
from wiki:
Prevention
Attached ticks should be removed promptly, as removal within 36 hours can reduce transmission rates [of lymes] to close to zero.[105] Protective clothing includes a hat and long-sleeved shirts and long trousers that are tucked into socks or boots. Light-colored clothing makes the tick more easily visible before it attaches itself. People should use special care in handling and allowing outdoor pets inside homes because they can bring ticks into the house.
http://en.wikipedia.org/wiki/Lyme_disease