Currently there are a number of websites that have large collections of NC or ND licensed images. There is no MediaWiki install that contains this material to make it easier for reuse by non commercial entities. The proposal is to create such a website. A proposal for a WMF run sister site that does this has been declined as of 2020.
Sources of NC content
$90 USD per month for 5 Tb and $160 per month for 10 Tb