I'm not too fond of the d-pad on TG16 controller (but its way better than anything Nintendo at least) so I thought of using some of my famiclone pads as basis for my new controller for TG16. After an evening of fun, I got this :
(http://www.fileden.com/files/2008/4/21/1876835/NewControl0.jpg)
(http://www.fileden.com/files/2008/4/21/1876835/NewControl1.jpg)
(http://www.fileden.com/files/2008/4/21/1876835/NewControl2.jpg)
Works really nicely and I'm happy :D