Hey, after receiving Grand'ma in Premium Edition and seeing some great stuff from some of you guys I decided to try my hand at weathering and rusting my medium walkers. It is really clumsy but the effect will be enough for my use and play sessions.
I used sponge and first applied a dark brown on some spots. Then added some lighter/orange tinted brown to accentuate the effect and finished with some Griphonne Sepia wash to add some more effects.
MEDIUM ALLIES WALKERS
AXIS MEDIUM WALKERS
Now that I get how to do this i'll try to get better at it!
Thanks for looking!