Marta, speaking of Schutzhund, Hallie got her Schutzhund title last summer...:)
http://www.deedeemurry.com/temporaries/hallie_article.htm

Dee Dee,
THAT! Is SOOOO COOL! Congrats to Hallie! (love the name btw!)
As for backdrops...not much input from me, I've yet to venture into artificial lighting! (well, except for some flash .)