~/.mailcap: view jpegs with eog.

.mailcap

@@ -2,3 +2,4 @@ text/html; pandoc -f html -t markdown_strict %s; copiousoutput;
application/x-pdf; evince %s; copiousoutput;
application/pdf; evince %s; copiousoutput;
application/rar; lsar %s; copiousoutput;
image/jpeg; eog %s; copiousoutput;