Once you have downloaded the final resized file you are ready to rename your file to something more SEO friendly that means better for the search engines. Try following this format:
PropertyName-City-State-Floorplan-A1.png
So if the Property was The Collective in Dallas, Texas and it was the A1 floorplan then the file name would be:
Collective-Dallas-Texas-Floorplan-A1.png.
You are now ready to upload the image!.