-1 in the graph editor highligh/ select the key you want copied press ctrl.c and then move to the frame you want it at and hit ctrl.v.
-2 on the time line go to the key you want to copy and rtmouse, copy go to the frame you want it pasted rt.mouse paste.
-3 go to the frame in the time line by draging the time line/ scrubbing, and then middle mouse click the frame where you want that key, if you notice when you middle mouse click on the time line nothing updates in the scene, just hit key or key the channels you want, scrub again and your key will be there.
-good luck
sid
sid69graphic@yahoo.com
"-if it wasn't for '"Y, we wouldn't be..."