If I upload a photo to Facebook then also upload that photo to Picasa.
Use the email "Subject" line to add captions or to include the photos in a specific album. If the email "Subject" line matches an existing online album title, your photos will be uploaded to that album. Otherwise the 'Subject' line will instead be added as a caption and the photos will be placed in the Drop Box album. http://support.google.com/picasa/bin/answer.py?hl=en&answer=83342