If you’ve got a JPEG under Subversion and it looks like this 
when it should look like this
,
maybe Subversion thinks it’s a text file. Try
svn propdel svn:eol-style MY.jpg
svn propset svn:mime-type image/jpeg MY.jpg
Brought to you courtesy of this guy
Bonus fact: if you’re accessing Subversion via svn+ssh and it asks for your password more than once, fret not. Subversion and SSH are just really dumb. See here.
Procrastiblog 