I got my figurines from Michael's and the dollar store. For the most part they're just those figurines people use as part of their Christmas village displays! :)
Liquid glycerin thickens the water and causes the glitter to fall slower. :)
Flip 'er over and give it a shake!
Just a little note, the little green trees tend to turn your water's colour. Coating them with a sealant might work to stop that? I hang tried it myself to really say.