Strength has little if anything to do with a good ollie. How do you think some of these scrawny weak kids are able to ollie so well?
Regardless, if you are interested in leg strength for other activities, squats are the best way to develop it.
East Coast Park Rat
2008 Burton Twin 157 w/ Rome 390 Boss
2005 Burton Canyon 168 w/ Ride LS
"its ppl like you, that I would "impact damage" your face if i ever saw you
keep your mouth shut. one more time, please and thank you." -user: chingy_