You’re secret weapon? Krylon’s Looking Glass spray paint, which dries into a mirror-like finish. First, spray the body of your plain glass lamp (or vase, knick knack – anything made out of glass can be transformed) Read More http://www.ivillage.com/diy-hacks/7-b-363227#ixzz1ZBMzKs5J
Get the Mercury Glass look by pre-spraying your desired object with water and just a touch of dish liquid, spray with Krylon Looking Glass paint, let dry, repeat process until you achieve the 'depth' you are happy with.
Update your builder grade brass shower trim using Rustoleum's Oil Rubbed spray paint ... what would cost you $800 to replace, will only cost you $5 to paint. Holds up well with the water because it is indoor/outdoor paint. Works on brass light fixtures too.