Need a favor from anyone with a good image editing software

i need this picture to be shoped onto this replacing Neoi tried doing it on MS paint, but it seems MS paint cant read transparent.thanks.Edit: as an example but without the black space around the 1st picture.

i still need this.

Do i win ?

You forgot the jpeg compression.

Here you go, like it? About hour of work :D I had to manually remove the Neo which took the most time.
http://bayimg.com/aABPPAaEK
Tell if you need some adjustments, I'm keeping the photoshop file.