I'd start by cleaning all of the fluid off (I use mineral spirits/Gumout and brushes/rags) everywhere underneath, behind the valve cover...everywhere. Tighten up the valve cover and oil pans nuts/bolts. Then drive it for a while and check where your leak(s) are coming from.
'97 Cherokee Country, 4.0L, Auto Trans (AW-4), 4WD Command-Trac NP231, 3.55:1 Gears, Power-Trax No-Slip Locker in rear, Spartan Locker in Front, Monroe Air Shocks, Hi Country front tow hook brackets, Black with Gray Leather, 235X75R15 Goodyear Wrangler Tires, Putco Headlight Harness w/Silverstar bulbs, 142,000 miles. Northern Illinois.