Wobble Effect is a Scripts software developed by flash-filter.net. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Wobble Effect:

Marydown Editor: To 'shake up' your image transition and give it a unique dynamic feel this 'Wobble Effect' is the ideal component for Flash 8, Flash CS3 or Flash CS4. Compatible with PC or Mac this plug-in can create an instant 'Genie transition' on any of your images without any additional programming work. This filter will easily manipulate pictures using the Flash Timeline or ActionScript and creates an .swf file whereby the duration and the strength of the 'shaking' can be simply adjusted.

Key Features:
Create a shaking image transition
Set duration and strength of the wobble
Banner Edition available (read more)
Extensive example files included
Free updates
FileSize of this filter in compressed swf: 7kb (AS2), 7kb (AS3), 3kb (Banner Edition)