Example oneboxes using eBay URLs
[onebox url="http://www.ebay.co.uk/itm/2-Radioactive-low-level-5-8-inch-marbles-/380890787256?pt=LH_DefaultDomain_0&hash=item58aedc2db8"]
[onebox url="http://www.ebay.com/itm/Westinghouse-40-1080p-120Hz-HD-Slim-LED-HDTV-High-Definition-TV-/380798989677"]
[onebox url="http://www.ebay.co.uk/itm/1-of-1-Strong-Cube-Magnet-Very-Powerful-NdFeB-Neodymium-NIB-Rare-Earth-/380892969588?pt=UK_Collectables_WeirdStuff_RL&hash=item58aefd7a74"]