Open your program, find your paper you wish to use and add your mask to your paper.
This is mine:
I opened a layer of paper, resized it so I could utilize my mask and then add it to your canvas. (I have reversed the colour of my background so you can see my lighter background.)
Now, open your frame, re-size if needed and do the following:
Return to your mask layer and do the following:
Add your tube and center frame paper, drop shadow all layers to your liking (except the mask layer). Once the designing part is complete, you'll need to add your name (with outline and drop shadow) and then any copyright for the tube you have used.
This is what I came up with:
Saving in PNG makes you image SUPER clear.