most times i just chill on the right curb - usually about a half car length back - that leaves me in a comfy place to rest - not out in the middle of all that traffic, everyone checking out my fine curves - and it leaves cars plenty of room to turn right.
if there are two lanes, i'll sometimes just stay in the left lane - the non-right-turning lane. take my place just like a car.
i have done the 'move to the left a bit or into the crosswalk' thing, but it's a major pain in the ass because then you're blocking the right-turning car's view of oncoming traffic, etc. forget that. riding can be tough enough.
i say, all things considered, my general strategy is the best - plant yourself a half car length back on the right curb.