1. A computer storage medium having computer-executable components included in a software program for creating features for use with a plurality of media objects in a sequence, said computer storage medium being executable by a processor of a computing device, said computer storage medium comprising: a feature component specifying a type of features having parameters affecting at least one variable aspect of the type of features, said specified type of features being dynamically modifiable by the parameters thereof; in response to receiving a user instruction, an indicator component for identifying a plurality of positions of instances the specified type of features to be inserted in the sequence relative to the plurality of media objects in the sequence; a sequence generator for dynamically modifying the instances of the specified features by varying the parameters thereof as a function of the identified plurality of positions of the instances of the specified type of features within the sequence relative to remaining instances of the specified type of features; and a rendering component for rendering the instances of the specified type of features according to the varied parameters of the specified type of features at the identified positions when the media objects are sequentially displayed.