Uploads for challenges.
You need to shrink photos for challenges. Lots of challenges restrict size anyway. I restrict mine to 1600 on the longer side.
Photoshop is my tool. There are other tools out there that are free, I believe.
A veteran is someone who, at one point in their life, wrote a blank check made payable to their country for an amount of "up to and including my life".
(...from the generation that still uses capital letters and punctuation...)