How do I trade with Lou

Hint 1 of 4:

Give him something he admires.

Hint 2 of 4:

Check with Cristy and Misty for a hint.

Hint 3 of 4:

Take a look at street light across from Cristy and Misty.

Hint 4 of 4:

Give Lou picture taken with the LaFonda Turner cutout for laptop computer.