WDB provides top quality vector graphics for designers all around the world
Premium membership provides you with DIRECT download links with no wait time (like rapidshare) and access to Premium Vector Graphics with commercial use rights.
If you’re looking how to add watermark to your images in bulk / batch edit on your Mac I have to suggest you to use ResizeMe.
It has a lot more features, but I’m personally using it to add watermarks to my images.
Since I have a lot of images, ready for upload to WDB, this tool is perfect for my mac. It saves me a lot of time and it’s very easy to use.
There’s even a small tutorial...