That's invalid HTML. The IMG element cannot have a closing tag.
That's invalid HTML. The ALT attribute is required for IMG elements.
"C:\..." as an URL doesn't mean what you think it means.
Even if "C:\..." was incorrectly handled as a file path, it would refer to the client's C:, not the server's. Aside from the fact that won't do what you want, it might be disallowed for security reasons.
Finally, .bmp? What an awful format! It's huge and not well supported.