Using Texture Libraries
Texture libraries are collections of commonly used Textures. The Textures themselves are stored using the Windows Bitmap format.
Click 
to
show the Texture Library panel. Click 
to hide the panel. Or select the Material Tab 
to show all Material sub-panels.
Click on a texture to copy it to the Material Palette.
Click 
to show
a Popup window with all textures in the active Texture Library.
Click 
to open a texture library. The drop-down box provides quick access to all texture
libraries that are in the same folder as the active texture library.
Click 
to add an Texture to the library.
Click 
to delete the active Texture from the library.
Note that this will not delete the underlying file, only the reference to it in the
Texture library.
Click 
to show
more Textures.
Click 
to show
fewer Textures.