Steve - haha, yep racing to the finish at several levels. 

I had thought of trying something along those lines with a small carved flower or a cross.  Haven't pursued any decoration yet as my plan from the start has been a simple design without embellishments.  Will see how it looks once the finish is on - I can always go back and add something...or start over.  I have several other knot holes (real ones!) filled with the black CA.  The boards I picked had some "character" that I probably would avoid for a project otherwise.  I liked the grain though so went with this board.  The top was from another source but hopefully the slightly different walnut color will blend ok.