Help me with porn Reuploading !!

I m currently trying the porn re-uploading method , I have set up all the things .
But i am little bit confused about getting porn videos without watermark .
If i record the webcam videos by any software then it will be a solo girl video but i need whole fu**ing porn videos to upload .
Can anybody tell me where to get these type of videos ?
P.S - Sorry for bad English.

You just search for videos on whatever porn site you are using. What is meant by no watermark is a logo on that particular video. For example if your site is milf123.com and the video your reuploading has a watermark of teens123.com it doesn't look believable and the user will prob type in the watermark and get all the credit for your hard work.