if it's large and bare wood, I'd cut small pieces and re-glass. if they are very small, just hit them with resin and resand. Primer over bare wood isn't good in the long term. It's fine until you get some age and hot sunlight.

I've definitely experienced the bubbling before and it boils down to one thing: too much resin. if it's properly rolled out and thin and tight, it can't bubble. It' all practice and technique. You will learn SOOOOOOOO much the first one you ever do. I'm sure you've found this to be true.

I am toying with the idea of shooting some video when I glass and paint my own. I wonder if there's any interest in something like that? it sure seems to be a hot subject.

-Mike