Gasket sealant?

[DGraber460 at aol.com]

What is the collective list wisdom and consensus on using gasket sealants  
when assembling an engine?
This is directed to a WX 10V, mainly concerning oil pan, and the front and  
rear main seal carriers.
Use it (and which one/what type) or let the gaskets do their job  solo?
I am sick and tired of a messy engine bay, and now that it's out and  getting 
cleaned up I would like it to stay that way! At least for a  while.
 
Dennis
Denver