you could clone now if you wanted to...some of your lower branches are long enough. I usually have more success with about a 3 inch clone than I do a 6 inch although many prefer that(it's all up to you). I would recommend cutting at a straight angle from the plant(less damage to the plant) and cut at 45 degrees right before dipping in the cloning gel... I wouldn't recommend taking many cuttings from a plant that size though(too much stress could cause it to hermaphrodite)..
my current grow is in my signature...one from seed the larger of the two and the other a clone(2-3 inch cutting) which was about 4 inches when well rooted, transplanted and put straight to flower...