Agreed the red bulbs are more intense and will provide hotter temps. Also you could think about moving the bulb towards the center of the hab to provide that heat more evenly if you are trying to up the ambient temp.
It seems like you have all the bases basically covered... but it would go a long way towards the heat retention of your set up if you have some substance in your tank. Newspaper Styrofoam and a wire metal bin? don't really make up any substance.
At petsmart you can find earthenware hide and water bowl, the grey or tan ones. They will absorb the heat provided and hold onto it. Aspen will keep the heat away from the glass bottom and inside the tank.
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