1 - Choose your tube or graphic. If using a graphic, apply a mask. I just made it oval and deleted the background.
2 - Choose two (2) colors from your tube. Preferably the same color but different shades. Create a gradient using: Foreground/Background - Angle 45, Repeat 3.
3 - Resize your tube to 350 Height
4 - Create a new image 1200 x 350.
5 - Fill image with your gradient.
6 - Effects/Plug Ins/Sybia/Xaggerate. Settings all 100.
7 - Effects/image effects/seamless tiling. Settings: Mirror, Bidirectional, width 100.
8 - Add a new layer. Fill layer with your light color.
9 - Adjust the opacity to 50 or whatever you like so it is readable.
10 - Paste your tube and move to the far left.
11 - Add a new layer and add your watermark
12 - Merge All.
13 - Save optimized at 25.
Please Link to: http://www.irish-cream.com/Xaggerate.html