Picasitude is a sync tool between Google's Picasa Web Albums and Google's Latitude Geolocation service

There are lots of photos that are instantly geo-tagged when taken by a smartphone or similar geo-aware device. This is great because you can come back to a picture and know exactly when and where it was taken. That kind of geo-tagging should be available for all of your photos, even if they were taken by a point-and-shoot or dslr. If you use latitude, the data is available and ready to use.

Just head over to Picasitude. Follow the instructions that walk you through the process. (Coming soon?!)

The process is pretty straightforward:

• Give Picasitude access to your Picasa Web and Latitude information. We use oauth so Picasitude will never have your access credentials, that's between you and Google.
• Picasitude will grab a list of your albums so you can tell us which album you would like to geotag.
• We run through the photos in the album and find the best position from latitude. Updating Picasa as we go!

• You must opt-in to Latitude's location history feature. Otherwise Latitude only knows/provides your last available location.
• History data must be available for the time when the photo was taken (+/- an hour or so). We recommend Google Latitude for your mobile phone to keep your locations current, at least while shooting.
• Timezone support is not yet added so your camera's date and time must be set correctly for your current timezone.