http://www.accu-chek.com/skins -enter code: 494 -I FIXED THE LINK
They also have a free self check diary if you own a meter. It requires a serial number:
http://www.accu-chek.com/us/rewrite/generalContent/en_US/web_form/ACCM_web_form_72.htm

Good news for all of you myspace users out there, I just developed a Free Stuff Times application on there. Now you can get updates and more right on myspace. I just released it today, so there may be some issues, and I should be adding more features to it eventually as well. If you want to check it out go here: http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=329389216 and click add this app. Thanks!

http://www.haveuseensally.com/ -click take quiz at the bottom. It was first 1000, so they are probably all gone now

http://craft.dow.com/craft/club/register.htm -the info page says: Participate in free offers for crafting supplies, craft kits and project books

http://nwnaturalproducts.cascadewebdev.com/content/signup.html -thanks krista

http://www.givememorestripes.com/Register.aspx?cardtype=classic

http://walmart.triaddigital.com/enhancedrendercontent_ektid40414.aspx

http://walmart.triaddigital.com/enhancedrendercontent_ektid40020.aspx

enter code: JC10LK at your redbox location -VALID TODAY ONLY
To find a redbox go here