If it is still working, I would us it as designed. You could do like Rex said, but I would only put a hole for the Smoke Daddy. If you use the electric element for heat, adding just enough smoke would do the trick.
Team: Pyle's BBQ; Yoder YS640; Good-One "Trail Boss" 60T; Homemade rig; 22" Weber Kettle w/rotisserie ring; Big A$$ Rotisserie; BGE-Small; Weber Kettle Gold, Weber OTS, New Braunfels offset smoker.
Saddles BBQ Bistro