Uploading to Picasa with a Mac and the iPhoto plugin
– Upload using a Mac Computer and Picasa iPhoto Plugin
Select the photos you want to use and drag them into an iPhoto Album.
Click File > Export and then click Picasa Web Albums in the dialogue box.
Add a name for the Album, fill in the description and decide if the photos are for public viewing or not. Decide if you want Better Quality photos or Faster Upload or Actual Size