Spent the past day and a half making a wallpaper of...wait for it...Justin Timberlake! I wanted to make something
like this, and thanks to FutureSex/LoveSounds, Mr. Timberlake has been taking very clean-cut, classy photographs. So...thanks, man. ^_^

I spent yesterday just making
the background--I'm sure a few of you heard me bitching about it. ^_^; It all finally came together late last night (read: at 4:00am, 16 hours after I started the damn thing), so this morning I was able to start putting Justin into it.
That only took three hours. -_-; Freaking vintage style backgrounds are a pain in my ass, because I suck at them. Also, I have no brushes. *sigh*
But I'm happy with the end result. I think it came out well, for a first effort.
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[ETA] Every once in a while I get the urge to make a tutorial, but it's gotten to the point where I don't even know what I'd say. Most of my graphics go something like this:
Start with a fill layer. Pick a random texture and slap it on. Erase most of it. Grunge up what's left. Move it around. Pick another random texture and slap it on. Erase most of it. Grunge up what's left. Change the blend mode to something. Decide that sucks and delete it. Pick more another random texture. Decide everything sucks and make your own damn texture. Slap it on. Erase most of it. Change the blend mode to something. Repeat ad nauseam.Here is my one piece of advice to everybody, though, for almost every graphic you will ever make. This has been on my mind since I saw a bunch of painfully mediocre wallpapers on a JC fansite.
This is very important, so listen up.
When you have a background texture and you paste a person on top of it:DO NOT LEAVE THEM ON NORMAL MODE.It will look jarring and it'll be really obvious and it'll seem unnatural. No matter how carefully you cut them out of their real picture, the edges are going to look strange. Everybody knows you pasted them, but you don't want to remind your viewer that the person isn't actually supposed to be on top of that background.
Duplicate your layer. Set the first to Multiply. Set the second to Soft Light. If the person is still too dark, duplicate the Soft Light and change the first one to Screen. Multiply-->Screen-->Soft Light. Adjust the opacities as necessary.
This makes your subject look almost completely solid, but it creates depth and there's just enough of the background showing through that they look like they belong on it. Also, it makes the edges look less harsh.
This is especially important if the background is grungy or soft--pretty much everything except retro or vintage. With those you can get away with outlines and exaggerate the choppiness to make it look intentional.
That's the key to success right there, though, people. Multiply, Screen, Soft Light.