Hello sbcorgi - Picasa gives two upload options. One to YouTube and the other to Web Albums. Web Albums would be the one to use but it looks like direct linking to a photo in an album for forum display purposes isn't officially supported. If you do a search using the term 'web albums hot linking', some discussion on this will be found that you can read. There is talk of photos directly linked to disappearing from posts. Not a good situation for here. FunTrivia wouldn't want to bend a site's rules anyway (if indeed there is one).
So, it looks like it would be safer to move photos that you want to display across to Photobucket (or a similar hosting site) where you know that direct linking to photos for forum display is supported.
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