Replace Pictures in Word Document

I've been trying for several hours to get this to work, but all I want to do is change a few pictures in a document based on their tag or title. I've tried using this code here:

http://openxmldeveloper.org/blog/b/openxmldeveloper/archive/2011/03/28/131867.aspx

but, doesn't seem to work for multiple content controls.

I've setup a class like so:

namespace updateDocument
{
    class ReplaceImager
    {
        public static void ReplaceImage(WordprocessingDocument docFile, string map, string maptag)
        {
        }
    }
}

So, I'll send the document the file where the new image is and the map tag to this, but I don't know what to write to change the content control image with the one I'm sending it in the map string?

Hi Weston,

                Please look at this thread,

openxmldeveloper.org/.../158527.aspx

Thanks for this. When the image is inserted it seems to only take up half of the page? and I don't know how to push the extent out to cover the full page?

Hi,

       Since the sample images were of that size, it was taking only half a page. If the image of larger size then it will fit in entire page. Are you looking every image fit entire page?

Thanks I found where to change the extent, so it filled the whole page out...

It was these bits that set the extent of the image:

5872489L

8305800L

and apparently if you divide the values by 9525 you get the pixel value.