So this is what is happening! Thank you, but maybe there's something wrong with the file attached? because It's downloading the same file, look:

"Bright colorful abstraction with gradient" is directing to:

https://image.tutpad.com/tut/0/630/att/Colorful-array-of-gradient-shades.zip

Even following carefully every step of this tutorial, I can't get the same result. Especially the colors. 

I get lost on Step 7 and I've noticed something, you say to open the "Bright colorful abstraction with gradient", but when I download the file attached, it's the same file as "Colorful array of gradient shades". Maybe this is what happening? I don't know, I like the colors that you use :(