Google Search - Images
Need purple cows?
Choose Transparent so that the image doesn't have a background!!
Transparent image - has a checkerboard around it - don’t have the white box around it when you put it in the slide
Search by size - so they don’t choose tiny images
You can also use this tool to find other file sizes
Use "labeled for reuse” so you are within copyright parameters
-The image has to be on the web