It includes how-to breakdowns of digital painting and sketching in Photoshop, taking you from start to finish through the 2.5D compositing process to see the image results.

Even without 3D access, you can use these skill sets to achieve fantastic results, when done with a strong grasp of traditional perspective, or rights-free photo use.

 
You will be provided images to use as a base to build your own fantasy image from. By the end, you will add your own style and voice to the final piece! Some prior knowledge of Photoshop recommended.

More info - https://www.skillshare.com/classes/2.5D-Compositing-for-Concept-Illustration/1368054633