Updated tut from 2007 ☺
I used the beautiful Callalilly from Erin Ewer
you can get a license at DAH to use her art

Supplies here
put the shape in your preset shape folder

Select the background provided and use Adjust Hue/Saturation/Lightness
and change the color to match your tube
chose two colors from the tube
light foreground - darker background
preset shape - find the shape provided
and draw out a shape like this - about 250 pixel wide

drop shadow default setting
add your tube
add the same drop shadow 

click inside the shape with magicwand
adjust add noise

merge flat
image add borders 5 use the light color
image add border 10 use dark color
add and name
I used Affair and the same drop shadow
merge and save ☺