Fire is an auto-animated procedural fire effect which offers control over flame width and height, color, and movement. It can use the alpha channel in any other layer as a Map layer, allowing fire effects to conform to a pre-composed image or logo.

Clouds can act as a filter on a layer, or generate a sky with clouds and a horizon layer. Three different types of clouds automatically animate using the direction, angle and speed you set. Mask and map layers can also be used to constrain clouds or smoke to a specific shape.

Stars is an auto-animated star generator which can composite stars over a sky color or an image layer. can also use the alpha channel in any other layer as a map layer, allowing you to create skies in which stars fill a precomposed image or logo.

Comet and Sparks offer a variety of possibilities beyond what their name suggests, as they are specialized particle generators. As such, they can be configured in a variety of ways beyond their auto-animated defaults.

Rain and Snow are auto-animated as well, and offer a wide range of interactions with the compositing environment, such as snow piling up on 3D text, or rain bouncing off a logo and the bottom of the frame

In images below, video footage has been combined with natural filters. In the first, DV footage of a hand against the sky has had the sky keyed out and replaced by a gradient, and fire mapped to the edges of the hand. In the second, footage of a sunny day has been color corrected, and had snow and rain added. Note the apparent accumulation of snow, and the rain bouncing off the ledge of the roof.

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