This is pretty easy to teach. Your own combinations should be able to blend nicely.
Repeat all leading left
1/2 time V-step-step up left lead (1,2) right (3,4) step down (5,6) 1 jack (7,8)
Repeat leading left
Walk the curb: left leg close to step. Step on the box, traveling forward, step forward on the floor (like a mambo) step back, on the step traveling back,step on the floor. I cue it-step on, step forward, step on step back.
Crab walk: left leg close to the step. Step on the box, step over the box, step on step back. I cue-step on, step over, step on, step off.