Gatorade had aired a commercial in the US, then decided it was suitable for other territories as well. They'd shot their actors drinking from each of the different bottle variations in their range, so the task was to match the grade in the new footage with the same shots in the existing US commercial.

This entailed matching the actor's skin tone and the background, and then masking off and enhancing all the various elements of the Gatorade itself - the silver of the label, white logo with its red flash, and the orange of the drink.

There were two shots, the drink and the slam...