There are a couple ways to attach an image to a model. You can either copy and paste it into the model itself, or you can use the Custom Header/Footer option to add it.

Copy Paste Option:

1. Open the image in Word or MS Paint or any other image editing software.
2. Select the image and copy it [CTRL+C]
3. Open the xBML Model and Paste the image [CTRL+V]
4. Voila, the image is pasted.
5. NOTE: Once pasted in, the image acts as a NONE object that will not be affected when you layout the model. The image can be re-sized etc.

Custom Header/Footer Option:

1. With the model open, go to FILE->PRINT PREFERENCES
2. Select the Header/Footer tab
3. Click on Custom Header or Footer.
4. Click the ADD IMAGE option and browse to the image file.
5. VOILA.