Spend the indicated amount of money at the Skin Shop to unlock the corresponding guitar skin:

Apline White Gibson EDS-1275: $150
Birdseye Maple Gibson ES-335: $200
Blue Gibson Firebird: $150
Cherry Gibson Les Paul Special: $200
Cooper Gibson Firebird: $200
Cracked Blue Gibson Flying V: $250
Custom Cherry Gibson ES-335: $250
Custom Dragon Gibson Moderne: $250
Custom Flame Gibson SG: $250
Custom Rising Sun Gibson Explorer: $250
Custom Snakeskin Gibson Corvus: $250
Ebony Gibson ES-335: $150
Ebony Gibson Les Paul Standard: $150
Ebony Gibson Moderne: $200
Ebony Gibson SG: $150
Gibson Morderne Red: $150
Goldtop GIbson Les Paul Standard: $200
Green Lighting Gibson Les Paul Special: $250
Natural Gibson Corvus: $200
Natural Gibson Explorer: $200
Natural Gibson Flying V2: $200
Psychodelic Gibson Firebird: $250
White Gibson Corvus White: $150
White Gibson Explorer: $150
White Gibson Les Paul Special: $150
Worn Cherry Gibson Flying V: $150
Worn White Gibson SG: $200
Zakk Wylde Gibson Les Paul Custom: $250