Wikipedia has 16655 pieces of SVG content now (
I bet you quite a bit of that content is not really SVG, valid by the W3C standard.
Please put some QA in place to make all content valid, as otherwise you are
breaking the standard, something that Wikipedia as a proponent of free and easy
exchange of information can't have.
Openclipart.org has recently started a project like that on which you can build:
Please also help that project improve