Compumanager are a Brazilian visualisation company with a global client base. Their demo reel is suitably impressive:
Of more interest to the blog however is their 'Making Of' movie below which illustrates the concept of blue-screening allowing the integration of people and locations into the virtual scenes. With the addition of a helicopter and some camera matching it is possible to attain some convincing results.
If anyone has some helicopter footage that we could use for a tutorial btw... let us know.
See Compumanager for more info.