the GUID file name of "pain.png" is a email ID in the clinton mail archive at wikileaks. it resolves to an email exchange beetween hillary and sydney bloomenthal.
Search: https://www.wikileaks.org/clinton-emails/emailid/6E7E8257-6B02-4EC7-9547-058AEFA34D3A#searchresult
Many other q filenames map to clinton email IDs, but not all. Maybe some link to other wikileaks buckets - eg. podesta mails.
Not enough of a autist to gather up all "*.png" q posts and build a map, but someone prolly should…Basically, any qpost with picture that has a GUID filename is a candidate to be tracked down…