Spy Vs. Spy Vs. Spy

Submitting for the "Steampunk Explorers" challenge at Entering at the Novice level. Inspiration came from the old "Spy vs Spy" cartoons in Mad magazine. Thanks to the following providers:
crouching girl w/ gun [link]
girl w/ gun [link] (required stock provider)
girl in crashing dirigible [link] (required provider)
steamworks b/g [link] (required stock)
bullet/pinhole [link]
wind brush [link]
dirigible, watch part window and london skyline from my own collection.