The dynamic display 2 or 3, wherein said means for providing {HEAD ~ relative movement} between said plurality of light sources and {TAIL ~ said viewable layer} comprises: 
The dynamic display 2 or 3 , wherein said means for providing { HEAD ~ relative movement } between said plurality of light sources and { TAIL ~ said viewable layer } comprises :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH