make wolf move and legs

okay ive been trying to do this assignment for school for 3 days and i really need help. im suppose to make a scene with a dog(wolf) and a fire hydrant . the wolf must walk to the hydrant and stop before coliding. i got the wolf, hydrant, and backround done, now im trying to make the wolf move while its legs are moving, making it look like it is walking. i tryed reading and reading the book and doing what it says which is - wolf.frontrightleg.lowerleg turn backward 1 meter and ect. i put the event in do in order with a few do togethers inside. but wen i play , the wolf moves and so do the legs but the legs do not look ANYTHING like walking..please help