Did beef ribs for the first time on thanksgiving. I had them cut in half at the butchers. Smoked them for close to 8 hours at 225. I think for full ribs you'll want to smoke at a higher temperature, around 275. I used a pellet smoker so keeping the temperature consistent was easy.
The night before, I trimmed them, removing the silver skin from the top, but not on the bottom. You want to leave the membrane over the bones themselves intact or the ribs will fall apart on you. I coated them in mustard, used a fairly generous pour of kosher salt on the top and sides, and used the steak seasoning from Pete's fine meats to cover it, and let it soak in over night in the fridge.
I put them on the smoker in the morning, and let them sit there for three hours. After that, I misted them every 30 minutes or so with a half-cider-vinegar-half-water mix. Kept that up until they hit 200, then wrapped in butcher paper and stored in a cooler for 45 minutes before eating. Turned out better than I could have hoped for!