This is an Adobe Fireworks .png vector file containing two shiny buttons. Feel free to download and alter / reuse as desired.
FW-KM-shinybutton.png (184 kb) Download FW-KM-shinybutton.png
Note, if you are unfamiliar with FW file formats: In order to edit this vector resource, you must open it in Adobe Fireworks. Opening it in another program will simply show a flattened .png raster image.
Objects are grouped. Use the subselection tool or Ungroup command to edit the component paths.