Here's the whole tank:

Right side from the top:

Left side from the top:

My next crab will go in in a day or two. It looks to be close to jumbo size. Since I gave Molly 5 new shells to try on, she's worn them all in the 24 hours she's been in the tank. Once she settles on one, I'll put the other crab in. The 3 smaller crabs are buried.