This Scrippy slides a graphic one way and then the other, or you can use 2 different graphics.  This is accomplished by inserting 2 positioned scrolls inside a positioned container, one scrolling left and the other scrolling right.

The space between on both positioned scrolls is equal to 3 times the graphic width, which for this example is 747 pixels.  The starting position for the first scroll is 0 pixels.  The starting position for the second scroll is 3 times the graphic width, which in this case is 498 pixels.  Be sure the speed is the same for both scrolls.

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