Hi Elames,
Thank you for the suggestion! Unfortunately, it didn’t work: there was no check box to exclude image from portfolio slide show. I’m running Thesis 2.0, by the way.
Check out the first FAQ on the following page:
http://en.support.wordpress.com/slideshows/
Looks like it actually can’t be done. Well, extra credit to anyone who can figure this out. 🙂
Best,
Henry