<a href="https://en.wikipedia.org/wiki/Blue_Poles" rel="nofollow">https://en.wikipedia.org/wiki/Blue_Poles</a> and <a href="https://en.wikipedia.org/wiki/No._5,_1948" rel="nofollow">https://en.wikipedia.org/wiki/No._5,_1948</a> are paintings with image. Go ahead and edit the wiki page and insert those.
According to <a href="https://en.wikipedia.org/wiki/Talk:Jackson_Pollock#Commons_files_used_on_this_page_have_been_nominated_for_deletion" rel="nofollow">https://en.wikipedia.org/wiki/Talk:Jackson_Pollock#Commons_f...</a> there were a couple that were linked, but the files were deleted for probably violating copyright.