I can see using caulk or hot glue to make a design and then use copper sheet burnished on top.
making stencils with a hot glue gun and a teflon sheet
Pouring with acrylics can take just about anyone back to that immediate delight of handling pure color. Here is a video to show you a basic technique with pouring - See more at: http://themindfulartist.com/2012/01/568/#sthash.XMzWu73o.dpuf
Texturing a page. The Sketchbook Challenge: An Old Technique Is Made Young, Again!