Following your thread with interest, looking good. With your SMD LED's I assume that you solder them, have you seen this
http://www.ebay.co.uk/itm/351277475709?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
you can use it as a component adhesive to, I've bought one but haven't tried it yet.
Nigel