so i just got back from a 3,500 mile road trip in my runner from seattle to vegas to plush,or and then home to seattle, we used this set-up for the majority of our trip. it worked well. these photo's are from a test fit before i left can post some better ones after everything was made better if you'd like but you should get the general idea.

materials used

walmart solar screen found in the dyi area next to window screens/frames. $15 a roll

walmart nib magnets $5 a pack /4 packs

super glue: $5

lowes circular felt pads from the nut and bolt department $1.10

the screen is cut to length to go over the back bumper this creates a sort of tent area for your feet giving you an extra 6-7 inches of leg room and added ventilation when sleeping in the back of your runner, the solar screen is good for keeping the bugs out and most of the light in the morning you can always layer up the screen material to make it darker if you want.

the screen is held in place by the magnets used where you feel the need, apply the felt pads to bottom of magnets to stop your rig from being scratched by the magnets and whatever gets trapped between them, i find if you just pull the magnet off with the screen material this problem it null and void anyways it never hurts to be safe though.

we used 2 piece of memory foam and a few blankets for padding and where very comfortable. let me know if you guys have any further questions or comments.