Thanks for all the great info!
Well i lucked out! About 2 days ago, I went out in search for a tire to replace the worn rear tire.. I searched and searched with very little luck, and I came across a guy giving away some tires that were sitting out in front of his yard so I knocked on his door to confirm that they where free and he said "I have a whole bunch of other tires in my back yard but you will have to dig them out of the bushes, help your self to them" so I went back there and did some serious digging, and sure enough there it was! A matching tire! It was the correct size and everything! The tread is a little different, but the tire is pretty much brand new! And I couldn't beat te price of free! :-) so, this will help me get by untill I can buy some 16" rims and tires!