Less commonly seen:
Engine is at the wing, not in a pod. Example, Boeing 737-100, Boeing 737-200
Engine is above the wing. Example, VFW-Fokker 614
Engine is buried in the wing. Example, deHavilland Comet
Pair of engines on each side of the rear fuselage. Example, Vickers VC-10
Pair of engines side by side. Example, BAe Aerospatiale Concorde
Engine within the vertical stabilizer. Example, McDonnell Douglas MD-11
Engine in the rear fuselage with intake above the fuselage. Example, Boeing 727-200, Lockheed L-1011 Tristar
What is common is engine is under and forward of the wing or under the wing.