after getting my new baby im planning out her future viv and could use some help.im going to have a 100w red bulb on a dimming thermostat but wondering where i should place the sensor and what temp i should set the thermostat to so i get the 90 hot spot and ambient temps up.may sound stupid but im not sure if it should go in the hide or outside.its going to be a 3 foot wooden viv.