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