Welcome to WebmasterWorld Guest from 188.8.131.52
Is there anything that I can do for him? Is this some software or something I could use? I was thinking maybe if I gave a "original source" link or something like that would be suffice in giving credit where credit is do.
Using the channel's optional cloud element requires the use of an XML Web Service to do so. A web service can for example get any number of feed items, return the content to the page, and then transform the XML to HTML styled to be compliant with the page where the content will be displayed.
There are some options in terms of caching and robots, but they are not straightforward.