Thanks to Philippe for this information. Google modified its prices for online storage on photo and gallery on its dedicated solution: Picasa.
Google has offered people the option to purchase additional storage for photos and email for over two years, and we've recently dramatically lowered our prices to make this storage even more affordable. As of November 10, 2009, there are several more storage tiers to choose from, including 20GB of storage for only $5 a year.
If you purchased storage before November 10, 2009:
Your total storage will be increased according to the table below at no extra cost. For example, if you had previously purchased 10 GB of Google storage, you now have 80 GB available.
Your plan renewal date will not change. It will renew based on your preferenc
