Pixazza?

Pixazza is an online adverser that converts photos on Web sites into interactive advertisements.

It works by popping up price tags or other information upon mouse over. A hover can cause a balloon pop up

Google Inc. is among those that have recently invested a combined $5.8 million in the company. Web sites can earn money from the images they would have displayed anyhow.

Pixazza currently works with about 10 sites, including the celebrity gossip and fashion blogs .

For now, Pixazza is focusing on fashion-geared images, but it plans to expand to other categories like travel, sports and home design later this year.