Its nothing amazing like your set up since this is my first aquarium but I wanted a small amount of land for a crab or two without giving up a good amount of water volume for plenty of fish, since I first tried to create a mound of sand substrate for an shoreline against the left or right side. I settled for two pieces of wood with suction cups attached and I set those above the water line(its a bit high as I just topped off after my water change), on one side I have Dragonstone leading up and the other side I have a branch. As my crab gets bigger I'd like to extend out the piece around the back glass of the tank. My Fiddler manages to find a way up and ive never seen him stuck at the bottom of the tank for more than a few hours or when molting. As for the lid I bought a 40 gallon Reptile lid with the grated wire so no escape attempts yet.