Don't take pictures like you're a full scale person photographing a miniature.
Take pictures like you're a miniature person photographing a full scale 'mech. Most people reflexively take what amounts to an aerial shot with the horizon line either very high or completely up off the frame. While a lot of 'mechs do look good from this angle, it also makes them look small. My brother gave me some advice months ago to shoot 'mechs from underneath and since I incorporated that along with managing linear perspective I've gotten much more unique, visually impressive shots.
Some 'mechs look better when they're looming up above the camera, others have cockpits and upper torso lines that just look better from above instead of from underneath. Notice that while the Timberwolf shot is cool, you can't really see much of the cockpit.
