There are a range of sponsored links on eBay listings (nothing to do with the seller)and some people are complaining that they are finding inappropriate and sometimes indecent images on their listings. Look at what one seller found underneath their listing for a Toy Story character! :
www.ebay.co.uk/itm/221275763334?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_sacat%3D0%26_from%3DR40%26_nkw%3D221275763334%26_rdc%3D1
I know it's an auction site for adults to buy but is it not reasonable to expect that items for children do not contain indecent images?