UV is definately essential for these sun loving basking lizards.
The best source of iggy care is melissa kaplans site, www.anapsid.org - download the pdf file of her iguana care "book" it has allthe info you will need - and then some 
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1.1 Bearded Dragons
2.2 Leopard Geckos
1.0 Uromastyx (Mali)
1.1 Corn snakes
0.1 Mexican Black Kingsnake
1.0 Bairds Ratsnake
1.0 Rosy Boa
1.1 Green Anoles
1.1 House Geckos
0.0.2 Flying Geckos
0.0.1 Red Eye Tree Frog

