You have a talent for sure JHorn. Do you reveal your secret or is it hush hush? :) I hatched out three recently (ordered eggs and the post office thought it was NFL time) and one of the three has stripe from eye to ear whereas the other two have white faces. Hmmm, what are the chances you...
(smile) Forget the drilling and installing.
Turn the cookie tin upside down; lay light on the ground underneath it; throw away the lid.
Worked all last winter for me. there-you-go.
materials: drop light (I use 60w bulb) and cookie tin (or equivalent)
Lay light on ground; turn cookie tin upside down over it; set waterer on top. bingo.