Snakes'n'Stones

Was at a reptile expo today and some vendors had their BPs and other species on stones. Is this for display only? Do snakes like it?
I have one flat unpolished stone in the vivarium beside water bowl and my BP sometimes lays with has his head on it but that's quite different. I'd add a few of these round polished stones if there's a reason to.
TIA.

http://i60.tinypic.com/29qi41s.jpg


Also this was the first time seeing a full-grown BP and it kind of surprised me, it will be interesting (to say the least) when my 10 month old little buddy is that big!

Those are for display purposes.

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Originally Posted by The Golem

Also this was the first time seeing a full-grown BP and it kind of surprised me, it will be interesting (to say the least) when my 10 month old little buddy is that big!

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I know exactly what you mean! The store I got Nags from has a full grown BP and whenever I go back to help my buddy feed all the animals I'm constantly surprised by how big he's going to get 0_o