Wood frogs are often highly variable even within the same population. At one locale you can find highly mottled, monochrome, or striped individuals. In addition to the two red dorsolateral folds it sounds like you're describing, some wood frogs will have a third line extending down the midline of the back from the tip of the snout.
They can be maintained in a fairly simple woodland terrarium with plenty of leaves and a wet area at one end. Wild caught wood frogs are usually very eager feeders, and should be fed a variety of invertebrates including worms, woodlice, and various insects.