Launch Windows Live Writer with a new Blog This post for the specified image URL. URLs passed to this method should be fully qualified (including the protocol).
HRESULT BlogThisImageUrl([in] BSTR title, [in] BSTR url, [in] BSTR comment);
title
Post title.
url
URL for image.
comment
Comment about the image (optional).
S_OK on success, otherwise an error HRESULT.