I'll give you a link you can read for some good beginner information - check the training section for basic beginner info - and then take the link to the "programs" section for some ideas - the "minimal equipment" program might be good for you. Try the sets & reps laid out in the program - if they are too easy (you can consistantly do 2 more reps/set with the weight) then you can add some weight and drop the reps- then work back up.
here is the link:
http://www.stumptuous.com/weights.html