You can't as standard, but one of the guys here has created a great add-on, see http://forums.microsoft.com/WindowsHomeServer/ShowPost.aspx?PostID=1706788&SiteID=50 or grab it from http://www.andrewgrant.org/whiist and the how-to http://www.andrewgrant.org/2007/06/09/how-to-create-a-windows-home-server-photo-album-in-minutes.html
I haven't used it myself, I decided to wait for RC1 then set it up, but it's getting rave reviews !
Gordon