Kitchen Sink Drain

I have been working on the drain on the kitchen sink. Pretty hard for me to do such things myself but I try. I know there is help available (@cowboyk changed a flat for me) but I don't like looking to someone else on jobs I can do myself. It turned out to be more than I wanted to do so I done a "patch job" and hope it holds. Didn't think about pictures until I was done. Kind of a messy job anyway. Wouldn't have made very pretty pictures. Thanks for reading.