As I create images, there are steps along the way that I've saved that I revisit later to take them to a different place. That's what I've done here. I made extensive use of iColorama's blending functionality.
I started with this image that I made on the way to creating my image that I call Observers. You can see how I made it here.
I opened the image in Metabrush and I painted all over the canvas using one of the Stipple brushes in in Brushes/Paint mode (this step perhaps can be skipped as it had little effect on the final image). I used the image itself as brush image. (While in Brushes/Paint mode, to choose the brush image, touch the flower icon on the left edge of the screen and select an image from your camera roll.)
I opened the Metabrush output in iColorama, where I used Adjust/Tonelab preset 4 for tonal separation and Adjust/High Preset 1 to emphasize the highlights.
I used Style/Tensor Preset 5. I used the Photo button at the bottom right of the Tensor 5 screen and selected my blueberries texture image (see below). I set the Amount slider to 100% and Opacity to around 65%.
This the blueberries texture I used. You can see how I made it here. I believe that iColorama squeezed this image into the vertical format of the image of the woman, in making the effect. For more predictable results, you might want to crop first to the same aspect ratio as the image you are applying the Tensor effect to, or just go with what you get, which is what I did.
Now I will use this image to blend with. It is an image that I created previously from a Rijksmuseum painting. I created this image in iColoramausing Form/Warp and making some tone and color adjustments.
Here is the original Rijksmuseum image. The Rijksmuseum website provides high-resolution images free to use and modify for any purpose, in their Rijksstudio.
In Effect/Blend, I blended the warped image on top of the Tensor 5 output. I tried several blending modes and slider settings, including the sliders under Set. Here I used one of the negative blending modes: Difference, Negation or Exclusion.
Here is another blend result from the same two images, using a different blending mode and slider settings.
I used Effect/Blend to blend the above two results together. I tried several blending modes and slider settings, including the sliders under Set. I used a brush mask in a few places to get a result I liked.
I made several local tonal adjustments using Adjust/Levels and Adjust/Exposure with an inverted brush mask for each such area. For example, I increased contrast and lightened the areas around the eyes.
I lightened the image using Adjust/Levels, and I used Effect/Raise at low Opacity to emphasize the texture.
I blended areas of my warped Rijksmuseum image back in, such as the chin area, at partial opacity and using an inverted brush mask.
I used Effect/Blend to blend the Tensor 5 output on top of this image, and I used a brush mask to protect areas of the face. I tried several blending modes and slider settings. Then I made some final atonal adjustments.