Keep track of which bolts went where in the head.....and which ones had washers, which did not....
In the front pic it almost looks as if you had a head gasket leak...check that head for flatness.
There's lots of good rebuilding stuff on the net....CHeck out Bryan Millers sites....google will find them. I'd get them for ya but with the flu I don't even feel like looking for a new cub right now.
