Most IMPRESSIVE Alex, for a first time build I would also be quite proud, and Ron's advice is spot on about the glue, micro kristal clear or testors window maker clear glue are my choices, Great job!!
That is a very ingenious idea indeed, I just happen to have a couple of those lying around in a cabinet somewhere, will have to dig one out, Thanks for sharing!!
WELCOME to the madness Mike, you have come to the right place if you want to learn from some of the best, there is a ton of friendly, knowledgable builders here who are more than willing to help you along just for the asking, glad you're here, ENJOY