Scale sprite or must I edit the images on sprite sheet?

I would like to scale a sprite sheets images to make something look like it is pulsating.

Do I need to do it on the sheet or can I simply scale the sprite somehow?

Thanks [import]uid: 28709 topic_id: 14818 reply_id: 314818[/import]

theSprite:scale (xScale, yScale)  

[import]uid: 70635 topic_id: 14818 reply_id: 54841[/import]

Cool, thanks.
[import]uid: 28709 topic_id: 14818 reply_id: 54865[/import]