Here's your design with finishing effects, and a couple of closeups for detail. All the elements have been blended together with textures, shadows and other effects. As seen in the closeups there are several areas where the layering of the elements looks very three-dimensional. There are several subtle effects applied that may not be obvious, but contribute to the overall effect, including varied lighting of the tartan maltese, an outer glow around the firefighter's logo on the left, (which enhances the shape and readability of the lettering), and the stamped yet raised lettering in the lower banner. Overall the metallic effects have been given a slight aged patina.
The pre-finishing mockup is posted below.