- Close WLW
- download the DLL
- Copy the DLL to C:\Program Files (x86)\Windows Live\Writer\Plugins\ for Win32 use “Program Files” only
- Restart WLW
- Go to Insert –> Plug-ins –> ZosoThumb
- Select a JPG, PNG, GIF, BMP…
- It should create a 100×100 thumbnail image cropped from the middle of the original