I bought $4.00 worth on the millionpennyhomepage when it first came out and got a lot of traffic, probably 500 hits so far, my pic is in the bottom left corner. I also received many hits from forums where my site was posted as seen on the millionpennyhomepage. It was an awesome investment. I might spend another $4.00 to see how it goes on this one and maybe on the buybrianabeer one as well.
There are a lot of other sites with the same idea now. There is one which lets you tell your sweetheart how much you love her/him by buying pixels and putting up a message for her/him. Check it out, its quite nice http://www.darlingiloveyou.com/ Amazing Theme
I am impressed with people who have one idea, and with hardly any work can be set for a long time. Brilliant...
I have seen this one http://www.crowdedspaces.com on a blogger forum and was totally excited over it before even knowing about the Million Dollar Home Page deal. Didn't know he was imitating someone else before I bought for square for 5 bucks
The difference between his and the others... Instead of putting up your own block design, you get all red ones!