Article - Talk Free addons
Some Moviestormers have made additional Moviestorm content that they offer as free downloads, usually as an addon. After downloading an addon, you install it by starting Moviestorm, clicking “settings”, and then clicking “install.” Navigate to the folder where your browser places downloads, click the addon, and if it was properly packed by the modder, it will be available for your use.
3DTree made a short video about how to install addons.
There’s a Vimeo channel for modders: Moviestorm user addons and mods.
Places to find free mods include:
A list of free community-created Moviestorm assets.
3DTree 3Bs by 3DTree.
Moviestorm Mods by Reptor7.