Files with names like [human readable stuff]_d[random letters and numbers]-pre.jpg usually come from Deviantart, the [random letters and numbers] part is the base36-encoded post ID. In this case the post is https://www.deviantart.com/jessi-chan777/art/KLEENE-EZ-CH-79-829293286 (dpqmsm in base 36 is 829293286).
