For PHPNUKE:
How to add our newsfeed to phpnuke: (7+, older versions i don't know)
Open controlpanel
Click the Blocks link
Scroll down to "Add a New Block "
Into the Title field enter: OnArt News
Into RSS/RDF file URL enter: http://www.onart.com/indexnews.xml
Filename: None
Content: LEAVE BLANK
Set refresh time to 24 hours - we won't update more often
The rest of the tabs are selfexplaining and customize them to your needs.
Click CREATE BLOCK
Thats All.Happy feeding!
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For not php based websites you can download this code: (Java Script)
This is what it will look like.:(Of course you are welcome to change the layout and colors to match your website)