Apple Motion 3 - Manual (Page 608)

608 Chapter 7 Using Text
2 In the Layers or Media tab, drag the image you want to use to replace the existing
texture to the Image well.
The new image appears in the well and is applied to the text.
Note: When an image (or a movie clip) is replaced in the Layers tab or Media tab, and
that image is used as a texture source, the texture for the text is replaced with the new
image.
To remove a texture, do one of the following:
m Click the Texture parameter reset button.
m Drag the image out of the well, then release the mouse button. Poof!
Reset button