James,

Having seams facing the airflow mostly cause problems with exhaust residue from the engine. If fuel residue is able to work its way under the seam, the monocote will come loose and you will not be able to stick it down again without completely cleaning the residue from the area.

Persomally I wouldn't redo what you have done, just get some clear fingernail polish and "paint" the seams between the colors. This will do a good job of sealing the seams and won't allow fuel residue to get underneath it. You will also need to be careful on which way you wipe the plane when you clean it at the end of the day so you don't accidently work the edges of the monocote loose.

Welcome to the hobby. It's always nice to see a "newbie" building a plane from a kit.