How do I install the plugin manually?
Wordpress provides a great collection of plug-ins that work with wordpress and which is vital for its smooth functioning and also enhances the performance of wordpress. There is lots of plug-ins with which we can perform practically countless functions. While searching I found an online tutorial which gives information about some popular plug-ins. Check out http://www.OpenWebsiteTutorials.com, here they provide information about how to install plug-ins and related topics about wordpress. A very simple step by step guide for any newbie.
Just download this file (right click and “save link as”) to the “buttons” subdirectory of your Picasa installation (usually C:\Program Files\Google\Picasa3\buttons on Windows). Then, restart Picasa and the button should show up. If it doesn’t, you may need to go to Tools -> Configure Buttons and move the button to the right column so that it shows up.