Newbie staring into the deep end of the pool w/ Cvpcb

Schematic Association (CvPCB)
2

My guess is you have the filter settings of cvpcb wrong. Have a look at this FAQ entry: How can i assign a footprint to a symbol?

What do you mean with standard 555 footprint. The 555 comes in many shapes and sizes (DIP, SOIC and even QFN/DFN)