Move mouse cursor to change layer position Normally, you would use the "put" operator ; but others (like + and ^) can be interesting for color effects. Background image. Foreground image. If 1, foreground image will be repeated to cover the background image. If 1, foreground image (inlet 1) will be combined with background image (inlet 0), and then blended with background image according to transparency of foreground image, and then inserted in the result. If 0, the blending doesn't occur, as the transparency level is considered "opaque". Note that with alpha enabled, the last channel of foreground image is cnsidered to represent transparency. Initial foreground image position (y x), corresponding to top-left corner of foreground picture. Resulting image. \$1=flag \$1=flag default is (0 0) click here then move the mouse in the output window default is (1 1 3 #), which in rgb means a single black pixel.