Best looking steam backgrounds (GA inside)

I like this one, but for sale starting at $6 yikes....
Ridika The Temptress

Anomaly 2 - http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/236730/916f01adaf52d1702ed846e4743171d555a0fbbd.jpg
Chip - http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/275470/32f3e065ddde7d795017232fc390d2d108a35bd6.jpg
Epic Battle Fantasy 4 - http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/265610/7f72906d959942956600b0ecdd4fc3c4d556bee3.jpg
Kerbal Space Program - http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/220200/1427e3c604eebebee4004bb5620e4cc5e025cdd7.jpg
Potatoman Seeks the Troof - http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/328500/540b3cfb1a36dcb90c9b640f4e66851986adce10.jpg

OoOoOO I thought you meant Steam Themes xD but here's my favorite for themes

How do you guys do the view attachment instead of links?

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I like this one http://steamcommunity.com/market/listings/753/218620-Dallas%20(Profile%20Background)

I have a thing for well done cityscapes/skylines.

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http://steamcommunity.com/market/listings/753/330470-Main%20Menu%20Collector

I really like this one

I don't tend to pay attention to the background, but searching some websites for steam backgrounds I'd say this two: 1 and 2 in no particular order.

Many seem to focus to much only on the edges (which is kind of understandable as most of the middle is kind of hidden) and there where even a few that had most of the image in the middle which seems kind of pointless. I think those I posted strike a good balance with having stuff at the edges and looking good if you look at the whole image individually.

You might like these Gone Home backgrounds.

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This one is perfect to me, I love it.

These are some I find really great for profile backgrounds.

Nebulae
Hissho
Kyra
The Rope Bridge
Andergast

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I'm on my phone so it's hard to post a link and I don't have time. Check out my profile ;)

My favourites are all based on the games I played and loved, so I have a lot of emotional attachment to them, simply because of the games.
I would like a Transistor background, but I'm not worthy until at least start to play it (They are jaw-dropping gorgeous)

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What I use:

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I love Magicka and this is the one that I use. It looks nice on a profile.
http://cdn.akamai.steamstatic.com/steamcommunity/public/images/items/42910/566d103ec0bd2d59b4de70ba849665f84be30c7d.jpg

sorry don't know how to make clicky ^^
http://steamcommunity.com/market/listings/753/207230-Ridika%20The%20Temptress%20%28Profile%20Background%29

my best profile background

Echo of Soul
ArcheBlade
Grand Chase, all 5
Metro Conflict
Kingdoms CCG

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http://steamcommunity.com/market/listings/753/8500-Amarr%20Empire

I'm using this one. In HD looks better.

On my phone too, so do check my profile (sorry if already posted). Even bought it from the market :)

Got a kick out of this Max Gentlemen background lol
This Morningstar one is pretty cool
What I currently use from Total War: SHOGUN 2 (you'll need enhanced steam see on my profile though)

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This is my current favourite.
I like this style of artwork.
http://steamcommunity-a.akamaihd.net/economy/image/U8721VM9p9C2v1o6cKJ4qEnGqnE7IoTQgZI-VTdwyTBeimAcIoxXpgK8bPeslY9pPJIvB5IWW2-452kaM8heLSRgleGBo7BNw-94PPYh0rSpWwwk7bJFBTznTkSC1GOQe72rllUzZsJ7dEnwkspIv9gCCp95SOIVqmMDgQ

Favorite
Related
In Use

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This one of course ;)

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My favourite one is Launch from To the Moon