The zip file you download will contain 2 PNG files :
The Preview, which is the file you see on this deviation page. It measures 1000 by 900 pixels at 90 dpi.
The 3 trees, without the background. It measures 2200 by 2000 pixels at 90 dpi.
See also :
Free for all to use, personally & commercially. Submitted to the Public Domain.
Done in Inkscape. More Stuffs you can download in my RESOURCES FOLDER .