A huge variety of different end grafts can be used however I chose to use a simple wedge shaped end graft as it is not too complex and is mainly self clamping due to its shape.
Instead of buying a veneer the same thickness as my guitar sides I decided to laminate some of the very thin wood veneers I had already. This worked okay however you have to make sure you get glue coverage otherwise it can result in splitting when planing down the edge and sanding.
A good video to consult on the subject is O'brien guitar's end graft video which details all of the processes involved.
I chose to edge the figured oak wedge with strips of the american black walnut veneer I had. Here is the finished article:
