Milliband was also mocked for looking silly when eating a bacon sandwich, but that was reframed as shallow media shenanigans.
Depends on the agenda, I guess.
http://i.dailymail.co.uk/i/pix/2014/10/21/1413910453638_Imag...
http://i.dailymail.co.uk/i/pix/2012/12/15/article-2248755-16...
http://i.dailymail.co.uk/i/pix/2016/10/02/01/39022CC20000057...
http://i.dailymail.co.uk/i/pix/2014/09/06/1409965807387_wps_...
In fact if you search on farage site:dailymail.co.uk vs farage site:theguardian.com it seems that, if anything, the latter tends to use fewer ridiculous images of him.
The Daily Mail also sometimes uses images of (left-wing) Jeremy Corbyn, such as this:
http://i.dailymail.co.uk/i/pix/2017/02/05/01/3CD6941A0000057...
http://i.dailymail.co.uk/i/pix/2016/05/15/00/33DD38440000057...
http://i.dailymail.co.uk/i/pix/2015/09/15/23/2C5822330000057...
http://i.dailymail.co.uk/i/pix/2016/06/09/18/351879870000057...
Sometimes it's bias and sometimes it's just poking fun at or ridiculing public figures, but it's everywhere. We're all biased.
What problems does that actually expose about his platform, or how does it show that his opponents are correct? It is barely even an ad-hominem attack - am attack on his character or reputation might lead me to believe that his viewpoint is held by untrustworthy people, but his face? It means nothing.
And yet it does have a small subconscious impact, causing a bias in my thinking.