Do some social bookmarking and networking. That's the fastest way to boost your traffic. To build many backlinks, participate in forums.
StumbleUPon and Digg will not be interested Comment on Proxy Blogs, be active in proxy forums And most of all, offer great advice Oh, and you linked to proxyboobs
sounds silly but tell people in high schools/schools when people find a proxy they can use blocked sites and bam you have half a school knowing a proxy site which should boost you
most proxies don't work in my school as they have pattern recognition software, so glype, zelune, phproxy and other popular scripts are blocked the second they are made