Picasa mail defaults to Gmail, how do I change that to my preferred mail app.?

First off - kudos to our webmeister for getting us back on the tracks!

When attempting to use the mail feature in Picasa, it will not give me a choice to use other than its built-in Gmail although there's a window ostensibly offering a choice of other mail clients but it's grayed out.

I am thus forced to drag the photo from the Picasa album to the Win7 desktop which will not allow access to the file reduction feature. That creates a hefty package for dial-up.

I would appreciate any advice.

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