Hopefully you'll have already read the Simple Glass Still Life post on the blog. If you haven't, you might want to, or this one will make very little sense. Following that post there were several requests for a more detailed step-by-step description of the Photoshop process used to create the digitally manipulated images, so that's what this is. Don't say we never listen!
Details of how the original image was created are in the initial blog post so won't be repeated here. Also bear in mind that this walkthrough describes how I created the final image - you may choose to vary elements of the process to better suit your own image and tastes. All digital manipulation was carried out using Adobe Photoshop Elements. Click on any of the images/screenshots in this walkthrough for a larger view.
Original image
Step 1
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Step 13
Final image