Incidentally, not so many images have entered since the script was published that could cause this.

Either way, with so many requests, there may be moments of instability. But for now it continues to work normally.

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Thanks again to TryNinja for this script, which will certainly be of help.

But, I also ask for understanding for the fact that I had planned a gradual growth, and not a sudden growth due to a similar service going out of business. 
Believe me, I've been making every effort to keep things running, and I'm already planning to reorganize the server.

So far I've managed to keep everything working. Therefore, I appreciate your understanding if there are moments of instability (which I believe were very rare).