sealing glitter on a frame?

[cookiezs.livejournal.com]

hey, just a quick question.. i want to make a picture frame that's sparkly. i bought a plain wooden one and spray painted it white and i was thinking of putting glue on it and just dumping glitter on it, but i'm afraid that most of it will fall off. is there something i can spray it with to seal the glitter? i used polyurethane for a different project and was really unsatisfied it since it turned my project yellow, and besides that wasn't a spray and i think a spray would be easier. so any ideas? thanks =]