There is a great program called PR Prowler that will cut your search time down. You can do searchs by keywords and use PR setting for the type of sites you wish to exchange links with. It cost around...

also I forgot to let you know that if you do a search of flash games and funny videos you will find some of the top sites for flash games. Most of these sites have link exchages and content submit...

I have found that http://www.adbrite.com/ can offer you a lot of links for just a few dollars a month. You will have to shop for sites that offer a 7 or 30 day recurring ads but you can find some...