Range: integer value
Determines the resolution of the cloud images. Very high values can potentially slow down playback without noticeable difference visually.
Typically bound to a Slider control.
backcolor: six character hex color value
direction: right, left, up, down, upright, upleft, downright, downleft
editable: comma delimited list of property names
forecolor: six character hex color value
id: single word string identifier, starting with a letter
length: floating point number (frames)
quality: integer value
speed: floating point number greater than zero
symbol: a valid SWF URL, followed by an ampersand and class name
type: the string 'theme'