Valve cover bolts

So how much of a pain in the ass is it to place the valve cover bolts? I think my Jackass mechanic stripped a few so the nuts won’t hold. On a side note, is it easier to have nuts powder coated or buy colored nuts for the valve cover?

http://downstarinc.com/Shop/

which bolts were stripped? theres those two kinds on my b17, and theyre 5 bucks a piece at acura