Frosting plexiglas

Okay so i got my neons in there and mounted it up on display and it looked like this.

Pretty cool except that, where the six blue neons obviously lit the sign up blue, everywhere else was a very dim blue or even white because of the frosting spray.  So I decided that I would sand off the frosting spray and do it again except not so heavy this time.  While I was at the store I saw blue translucent spray so I picked that up thinking that I would paint the plexi blue and then do the frosting so I would get the soft light effect and the whole sign would be blue.  This is what that looks like

Sorry about the cell phone picks, what do you guys think?  I'm thinking that I'll order some led bars instead of using neons and see what that does to get an even glow instead of having such bright areas and if it works, I might get rid of the blue.

Now, if I did the led strips, could I just place them where the neons are now or will I still see the lights themselves?  Should I place the led bars so that the black vinyl piece will cover them and just let them light the box up?

Its not smudged, its just a horrible camera phone picture.