Count me in as another vote in favor of the following:
Pre-ride shower
Washing clothes when you arrive and take a shower. (Rinse and wring out as thoroughly as is practical)

The merino wool seems to be highly recommended too, but I don't have much experience with that. Another tip that I picked up from a friend is to soak your shirt and tech-material clothes before you ride out. You can do this by: rinsing them in the sink, rinsing in your pre-ride shower, wearing them in your pre-ride shower.

Personally, I like to take a brief cool rinse-off shower with my compression shorts and shirt on and then I put on some plain gym shorts over that (since I only wear bike shorts for long rides and compression shorts show more than bike shorts :-p ) and ride out. As a female, you probaby don't even need the shorts to go over your tights. It's great because it keeps you cool so that you don't sweat as much on the ride and have less sweat stinking up your clothes. It's a bit of a shock to do the cool water and all, but it definitely helps delay the onset of stink in your clothes until you get a chance to wash them. Most of the women I know consider a shower I'd call "comfortable" to "cool" as "freezing" though, so if you're a sissy about cold water, this may not be the method for you. :-p I've also heard that cold water helps prevent stink from setting into your clothes better than warm water so if you rinse your clothes after a ride, use cool/cold water.