This is probably a stupid question, but I can't find any reference to HDRI or IBL in the Carrara manual.  How are these files used in Carrara?  I am interested in trying image based lighting in my renders, but don't understand the mechanics of using the file.

Klebnor

Lotus 123 ~ S-Render ~ OS/2 WARP ~ IBM 8088 / 4.77 Mhz ~ Hercules Ultima graphics, Hitachi 10 MB HDD, 64K RAM, 12 in diagonal CRT Monitor (16 colors / 60 Hz refresh rate), 240 Watt PS, Dual 1.44 MB Floppies, 2 button mouse input device.  Beige horizontal case.  I don't display my unit.