Louisiana Acadian "Cajun" Opelousas Crawfish Etouffee

1 LB crawfish tails       
1 can cream of mushroom soup       
1 can cream of celery  soup       
1 lg onion (chopped)       
1 bunch green onion (chopped)       
2 or 3 garlic cloves (minced) to taste       
2 or 3 TBS parsley (chopped) to taste       
butter, oil, or no-stick spray (enough to saute' vegetables)(to taste)       
Saute' onions, green onions, and garlic in butter, oil, or no-stick spray in a pot until onions are browned and wilted. -Stir in cream     
of celery and cream of mushroom. Increase heat and bring to a boil stirring constantly. -Reduce heat to medium and stir in crawfish     
and Tony's seasoning. -Cook for about 10 minutes and reduce heat to medium. Sprinkle parsley on top.
 -Serve over hot rice.