hey, i saw your message on a discussion asking for worms. i think you should ask your neighbors one by one, one of them was sharing worms, and another one is cathy nesbitt, a very experienced person on worms, so you're very lucky. if you live in countryside, you can see piles of manure (horse or cow are the best i guess). they are full with composting worms during moisture temperatures. they seem more brownish because they feed on manure, but after some weeks they should get used to eat kitchen compost and soon get reddish colors. after a generation their eating habits will change completely to kitchen scraps, so they'll consume more, as I've read on internet. read bentley's website throughly. good luck.
looks good and the grate bars are further out than mine are so should work good on the 2 flow thru's. You still may have to reach in there and help the vermicompost down specially if wet as it compacts quite a bit.