WCF Restful service - image not showing

I have an restful webservice (WCF Rest service termplate 4.0 C# - VS 2010). The service runs very good, but if I want to show an image in the browser, which is in root directory of webservices, I see nothing...

If the project runnin开发者_StackOverflow中文版g on localhost, its allright...

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Set Content-type: image/jpeg for your response and ensure that your response contains any binary data. But to say more, provide more details