Heat oil in a large skillet. Mix all spices (salt through oregano). Rub spice mix onto each side of each salmon filet. Cook salmon in oil 4 min per side, or until fish flakes easily with fork.
Salsa
Combine all ingredients. Mix well to coat.
Avocado Crema
Add all ingredients to a food processor. Process until smooth.
Tacos
Wrap tortillas in paper towels and heat in microwave 30 seconds. Using two forks, flake cooked salmon.
Assemble tacos on tortillas: salmon followed by salsa followed by crema. Top with coleslaw mix.