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Now merge the layers with texture to the one group, and add to it mask.
Select the Brush Tool (B) with there settings: Size: 600px, Hardness: 0%, Opacity: 100% - 50%, flow: 100%.
Remove some of the texture from the center (where the girl is sitting, a tree and a little close). Remove the texture on the corners of the image by changing the brush opacity to 50%,
Add to the bottom layer with the texture adjustment layer Curves (Layer > New Adjustment Layer > Curves... or click on icon New Adjustment Layer and in list, select Curves...).
Set points for each channel, as shown in Figure.
Merge all layers with the background and the group with the texture in the one group "Interior" (Select the desired layers + Cmd/Ctrl + G). In the future we will return to it.
Now add the mushrooms! All we have 3 types of of mushrooms, we do the rest :). Let's start with outer of mushrooms. Go to File > Place and select the image "More_HDR_Mushrooms_10_by_Dracoart_Stock".
Reduce, rotate them and place as shown in Figure. I chose a place for them in a small clearing moss, so as to create the impression of the incident light from the general atmosphere
Now use the Quick Selection Tool (W) on toolbar to select blue background and part of moss.
Invert selection (the short keys Cmd /Ctrl+ Shift + I). Go to Refine Edge... in the of top settings panel.
In Refine Edge we change the view on "On Black". Take the brush in the window and spend it outside the of mushrooms, but not much touching them (otherwise you remove part of the fungus), to remove the remains of the background. Make the settings as shown in the figure. Press Ok.
Now add a mask to this layer to remove the entire background.
To mushrooms looked realistically go to his mask and using the Brush Tool (B) with there settings: Size: 100px, Hardness: 0%, Opacity: 50%, flow: 100% and remove the little foot fungus where it touches the moss (only very slightly).
Follow the steps 12 - 16 with mushrooms "More_HDR_Mushrooms_4_by_Dracoart_Stock".
Duplicate this mushrooms once(Cmd/Ctrl + J). Then go to Edit > Transform > Flip Horizontal. Reduce their size (Cmd /Ctrl+ T or go to Edit > Free Transform).
Temporarily hide the layer by clicking the eye icon next to the layer.
Now, of these two fungi, we will create a small glade. Hold Cmd/Ctrl and click on layer mask to select mushrooms. Select Lasso Tool (L) on toolbar. Hold Option/ Alt to take away from selection.
Circle high and rounded mushroom. Remaining mushroom duplicate 2 times (Cmd/Ctrl + J).
Reduce mushroom and stretch it a bit wide (Cmd /Ctrl+ T or go to Edit > Free Transform) upper layer with mushroom. Place them as shown in Figure.
Duplicate it (Cmd/Ctrl + J) and place it as shown in Figure.
Go to the layer with this fungus, but that under the original layer. Using the Free Transform tool (Cmd /Ctrl+ T or go to Edit > Free Transform), Increase its size and place it as shown in Figure.