Don't tell me to shut up. I tried to help you, for Christ-sakes.
But out of kindness, I'll try and help you. In PS, the "magic wand tool", obviously the easiest(but most awful) way for you to recolor your sprites.
When you select the area of the sprite, set your foreground color first, then pick the "selection tool", right click on it and select "fill", set the blend mode to "color" and check on "Preserve Transparency", and press "OK". Tuh-duh, you've recolored a part of your sprite and made it look better than that one up there in an incredibly inefficient way.
Figure out the more advanced methods yourself(they are so simple to figure out, too), or have someone else tell you.
How's that for on topic, eh?