In order to protect your intellectual property, it may be wise to add a watermark to any animations you upload to Youtube.

One method using VirtualDubMod is described at the link below:
Put a custom watermark on your video

I used Paint.NET to delete the background from our company logo image and save as a TGA file. This was then used in the logo filter of VirtualDubMod.

Here are some animations we have produced here at Dimond Architects: