The smiley gives you a live preview of what the result would look like in your comp. It even previews rotation and scale and supports separated dimensions

Easily paint your delightful work, simply select elements and click to apply colors

Easily use wiggle in comps that are meant to seamlessly loop

Wiggle fits to your workspace, whatever it looks like

Right click any slider to type in a value manually, or reset to defaults.

Sorry to hear about your dimensions separating. Wiggle will be there to support you, but won't pay for therapy.