Digipak image filtering

I had used Instagram to filter the new images in my digipak. Not all the photos that I had used were filtered using Instagram, the other photos not pictured where filtered within Photoshop. I had discovered, that when filtering photos within Photoshop I found it difficult to filter the images highlights and shadows. In other words, I was only able to successfully filter the images as a whole, not the area desired. Although I could find ways in which I can do this, I wasn't able to find ways where I could change the colours of the highlights and shadows. These are a few examples of the filtered images: