sudo apt-get update && sudo apt-get install picasa
wget http://dl.google.com/picasa/picasa39-setup.exe && wine picasa39-setup.exe
sudo cp -r ~/.wine/drive_c/Program\ Files\ \(x86\)/Google/Picasa3/* /opt/google/picasa/3.0/wine/drive_c/Program\ Files/Google/Picasa3/
http://www.taringa.net/posts/linux/13902346/Instalar-Picasa-3_9-en-Ubuntu-11_10.html