My texture is smeared even though I'm using Extend.

I’m working on a space station and when I tried to add the US flag to the side of the station I encountered a problem. For some reason, even though the flag texture I used has white edges, I got a kind of fading smear effect. You probably don’t understand what I’m talking about so here is a picture demonstrating the problem. Look at the flag.

This is the flag texture I used:

You might need to copy and paste the URL to your address bar for it to work.

US-flag.jpg gives a “Page Not Found”

Change ‘Extend’ to ‘Clip’ or ‘ClipCube’.

I tried both clip cube and clip and the material just turned black.

I made a typo in the flag URL. It should be