Please help!! no oil pressure after oil change!!

* Are those metal pieces or hardened oil crud?

* I wouldn't trust the pick-up because there may still be pieces wedged in the screen that may eventually work their way out and through.

* I would confirm that the oil pump shaft isn't broken somewhere, stripped hex or pump cracked where the shaft goes into the pump. I'm a small block guy, but shouldn't removing the oil pump reveal the end of the shaft?

* Make sure the oil pump itself turns freely. Open up the pump and inspect the rotors for debris and/or damage. (Smaller pieces could have gotten through the screen.)