The whole idea of Captcha is to stop robots automating form submissions. The Virtual Worker is unable to mimic how the human brain recognises captcha images.
There are also a variety of captcha styles as the moment (e.g what door number is this, tick all the images containing trees etc.)
Unless you are able to manipulate the source code in such a way to un-mask the potential answer, then I'm pretty sure they cannot be passed. Unless they have extremely easy images with font that can be recognised by font recognition.
There may be 3rd party software that can be implemented, but I've not looked about.
- Tom
