ok, this is the only site you need.
http://www.cornholegameplayers.com/
http://www.cornholegameplayers.com/forum/
the shaggy method is the way to paint/stain boards. i have used it twice myself as have my friends. it works, it’s in the forums, easy to find.
polycrylic (paint not spray on) you don’t want to use anything else.
decals, you can paint them on, using a projector, a cut out whatever or you can have vinyl (same material as very good window decals or car wraps.)
i chose the vinyl and just recently put them on ... they are pretty tight. i had a friend manipulate the espn college gameday logo in illustrator. changing espn to my initials and the word college to corn & ale. instead of a football in the shield, it’s corncob and hop nugget.
it’s what i use for my twitter avatar.
i need 2 more layers of poly and they are done and will post on here when finished. once i post the pics i can give you an exact run down of what i did, but if you read the shaggy method on the link above it won’t read nearly as well. it has taken me a lot of time, stain, seal, tape down, paint, tape down again, tape, poly, sand poly, decal and then i need to poly and be done.
of course it’s usually more than 1 coat of paint and poly. taking up the garage did not endear me to my wife.