Hey guys, quick question for all you gurus out there.

I just changed over from riding my XC mountain bike to a fixie for in city stuff (I got a 2008 paddy wagon). The only problem is that the stock tires suck ass, and the streets still haven't been cleaned from all the gravel/glass/random stuff that leads to punctures. As such I ordered a pair of Conti ultragators, but they will take a week to get here (my LBS had them, but they cost twice as much, and I have no money). So my question is is there any way to reduce the amounts of flats I get now (Around 1 every 30 km)? I have the tires pumped up to 110 PSI, would reducing the pressure help?

Thanks in advance.