Need Photoshop or Paint.net help for card creation

[Ragnarök]

Wow, I'm really overwhelmed by this support, thank you so much! Wasn't able to be active much recently, because of time constrains, but I'm really grateful to this much help! Special thanks to @matrice66, just great, mate! The only problem is, that I have a much older photoshop version, than you do, so unfortunately I can't reproduce it exactly as shown in your vid.

[lestodante]

Heres the best way to explain the composition of a picture in CYMK (Cyan Yellow mangenta black) just like RGB, red green blue.
each coaster represents a single channel so if you were to select all the channels on a color picture.. you'dd end up selecting everything.
https://thumbs.gfycat.com/UnsungWhichIcterinewarbler-mobile.mp4

Thanks but, that video still confuses me, because I have the CYMK scheme in mind, as in real life if you mix yellow+blue you got a green, but it is different in RGB.
Anyway I found this article if anyone can be interested that explain in details how RGB channels works:
https://www.photoshopessentials.com/essentials/rgb/

[matrice666]

Heres the best way to explain the composition of a picture in CYMK (Cyan Yellow mangenta black) just like RGB, red green blue.
each coaster represents a single channel so if you were to select all the channels on a color picture.. you'dd end up selecting everything.
https://thumbs.gfycat.com/UnsungWhichIcterinewarbler-mobile.mp4

Thanks but, that video still confuses me, because I have the CYMK scheme in mind, as in real life if you mix yellow+blue you got a green, but it is different in RGB.
Anyway I found this article if anyone can be interested that explain in details how RGB channels works:
https://www.photoshopessentials.com/essentials/rgb/

Indeed you would get green if you are using paint.

The important idea here is that in photoshop you are not working with paint but LIGHT.