>
> can explain more on howto single layer gerber paste back to EAGLE pcb file ?
> I can later-on overlaying component by hand, below link are countdown timer
> gerber, need to do some modification in .brd files rather than in gerbers.
> http://www.hobby-elec1.org/e_eagle40.htm
>

You are much better off recreating the schematic from the gif on that
site and then creating a board layout from scratch given the simple
layout should not take you more than 1-2 hours to create.
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist