When the pictures window opens: 1 click on any empty gray square to load a new texture. If the box is already occupied you will load the new texture over the old one. A windows dialog box will open up. Browse to the location you saved the picture texture and select the filename you saved it as. 2-3 Once the image appears click copy under the first window and click paste under the second window. Transparency and bump have to be loaded into the second window to do anything. When the window that says "Are you sure you want to delete?" pops up press "delete". 4 click on the check to exit.