Frequently Asked Question
Gimp is a free photo editing program available in Software Center.
Save an icon image off of Google that does not contain text and has white background to a location easy for you to find
Open Gimp, and go to File>Open...> and select the image you just saved
Layer>Transparency>Color to Alpha which removed the white background and made it see through.
Image>Scale Image> enter 40x40 pixels, Scale
File> Export as, and save as a .png file to preserve the transparent background
Then upload the new icon image to the Website file share
We can also help create icons here in IT as you need them created