Insert transparent picture in Excel dialog sheet

Since there is no straight-forward method to insert a transparent-background picture (like .png) in Excel dialog sheet form; this is how to insert transparent picture in Excel dialog sheet:

Two transparent pictures in dialog form

[1] In a normal worksheet, insert the transparent picture

[2] Copy the picture from the worksheet

[3] Open the dialog sheet

[4] In the ribbon, select "Home" tab

[5] As shown below, click on dropdown arrow of "Paste" button, then select "Paste special"

[6] Select paste as "Picture (PNG)"

Now, it is done ...