WALK
Pad, stroll, tread, amble, saunter, slink, slide, shuffle, strut, navigate, stalk, prowl, snake, stride, glide, weave (in and out of), prance, slip (past), entwine (around), march, pace, hike, toddle, totter, stagger, waddle, trundle, plonk (yes, this can be used. I read it in "Lord of the Flies"), wafted/breezed (past), trudge, tramp, traipse, slog, plod, trek, lumber, trailed (after something), stomp, meander, mosey, wander, drift (past), swagger, parade, gambol, romp, caper, scamper, scurry, swept (by), brush (past), scoot, travel, flit, stump, clump, traverse, trundle
JOG
Trot, bounce, hustle, walk briskly,
RUN
Lope, sprint, hunt, dash, dances, stumble, dart, rush, bound, race, bolt
WATCH
Regard, look, study, observe, surbey, gaze, glare, stare, glance, glimpse, examine, peer, peep
NOD
Confirm, bob, dip, drop, concur, affirm, tilt/incline (of the head)
FROWN
knotted, creased, furrowed (for example, "Her brow creased in sorrow")