Just about anything. Things that may help me as well as others. Stuffs about Internet, computers, softwares, freewares, portable applications, bookmarklets, photo editors and manipulation softwares, digital arts and photography...
TheBusinessList.com - Free business advertising.. Sign up and be included in their ad archive..
Adleaf.com - It's quite similar to adgridworks.. Display at least 2 ads on your site and your site can be viewed on the whole network.. You can also track your web traffic with a historical traffic data..
Friday Ad - Fill in sign-up details to post your ads.. You can also postt an image or video banner so your ads could be more noticeable..