...Select the files you want to rename and simply click on the Rename Button. A Dialog let you choose all the details for renaming files.
Limitation: Picasa transfers each file with full pathname into the clipboard it depends on the directory structure how many files can be renamed at once.
Installation: Just unpack the zip to the Google\Picasa3\buttons folder
Creates plain text directory listings from the context menu. Currently supports only Windows. Linux and Mac OS integration planned, although creating directory listings on these platforms is as simple as typing "ls -al". Basic filtering support inc