Looks fine to me.
Code:
Accept-Ranges:bytes
Cache-control:max-age=31536000, private
Content-Length:87145
Content-disposition:inline; filename="sw1.jpg"
Content-transfer-encoding:binary
Content-type:image/jpeg
Date:Fri, 03 Feb 2012 12:40:32 GMT
ETag:"77998"
Expires:Sat, 02 Feb 2013 12:40:32 GMT
Last-Modified:Wed, 25 Jan 2012 04:16:39 GMT
Server:Apache/1.3.42
Vary:User-Agent
X-Content-Type-Options:nosniff
X-Frame-Options:SAMEORIGIN
X-Permitted-Cross-Domain-Policies:none
X-UA-Compatible:IE=7
Are you using a proxy perhaps that's turning the mime type image/jpeg into some sort of unrecognized binary type?
Or perhaps your browser broke somehow and forgot that it knows how to display jpegs?