You always can use out going link advertising...Clicks link > View ad > Continues to other siteExample Link 1
Top BannerExample Link 2
Side BannerExample Link 3
I been using this ad method for years now.
The users on my sites prefer this over annoying ugly bulky banners and text ads.
Plus, adblocks like Adblock Plus addon for Firefox cant block this type of ads, which means more money for you!Linkbucks.biz
Full Page Script with Top banner Ads (Intermission ads make more money, but annoys the user more)