I have used a chipboard as a cardbase. I used gel medium to stuck down the sisal that I did use for texture. I painted them with some self mixed acrylic colors. Then I added some modeling past through a stencil. While the stencil still was in place I used a sponge to give the surface some extra texture.
Once again I colored the modeling paste with acrylics in a reddish tone. And know comes the scary part. I panted everything black, let it sit for a minute and then sprayed it off. If it comes out the way it is ment, the black should give a feeling of depf. When I hade the look I was aming for i rubbed in some Inka Gold on top of everyting.
Hope you did find some inspiration.