Feature Request – Animation control

The animation feature and its controls are awesome. I was wondering if possible to offer an additional setting that would allow the user to have more control over the distance of an animation. For example, on a Slide, currently there is no UI for determining the start point of the animation and so the default animation will often start on top or underneath an adjacent block due to its length. I can adjust CSS as needed but to have an optional setting for this would be great.