Board Thread:Support Requests - Getting Started/@comment-6016542-20130406062054/@comment-3528606-20130412174344

here are the types of files you can upload (under 10 MB):

png, gif, jpg, jpeg, ico, pdf, svg, odt, ods, odp, odg, odc, odf, odi, odm, psd, pspimage, ogg, ogv, oga

Just go to "Special:Upload" on your wiki