You can read about setting up applications for displaying in trades here. To display trades of a single application, select it from the list:

:manz:
x1
Steam
Emoticon
:manz:
Type: ZombieCarz Emoticon
Market price: ~0.03 USD
Preview:
:womanz:
x1
Steam
Emoticon
:womanz:
Type: ZombieCarz Emoticon
Market price: ~0.03 USD
Preview:
:womankidz:
x1
Steam
Emoticon
:womankidz:
Type: ZombieCarz Emoticon
Market price: ~0.03 USD
Preview:
:zombiz:
x1
Steam
Emoticon
:zombiz:
Type: ZombieCarz Rare Emoticon
Market price: ~0.03 USD
Preview:
:slugskull:
x1
Steam
Emoticon
:slugskull:
Type: Destruction 48 Uncommon Emoticon
Market price: ~0.03 USD
Preview:
:missile_attack:
x1
Steam
Emoticon
:missile_attack:
Type: Go Mission: Space Travel Emoticon
Market price: ~0.03 USD
Preview:
:Lootin:
x1
Steam
Emoticon
:Lootin:
Type: Final Quest Emoticon
Market price: ~0.03 USD
Preview:
:Cruiser1:
x1
Steam
Emoticon
:Cruiser1:
Type: Drive Megapolis Emoticon
Market price: ~0.03 USD
Preview:
:balloonicorn:
Steam
x0
Emoticon
:balloonicorn:
Type: Team Fortress 2 Uncommon Emoticon
:sentry:
Steam
x0
Emoticon
:sentry:
Type: Team Fortress 2 Emoticon
Market price: ~0.08 USD
:gmod:
Steam
x0
Emoticon
:gmod:
Type: Garry's Mod Emoticon
Market price: ~0.08 USD
:2017stickycrab:
x1
Steam
Emoticon
:2017stickycrab:
Type: Steam Summer 2017 Emoticon
Market price: ~0.09 USD
Preview:
:Diplomat:
x1
Steam
Emoticon
:Diplomat:
Type: Sid Meier's Civilization V Emoticon
Market price: ~0.06 USD
Preview:
:CunningPepe:
Steam
x0
Emoticon
:CunningPepe:
Type: Fergus The Fly Emoticon
:showtongue:
x1
Steam
Emoticon
:showtongue:
Type: Fiends of Imprisonment Uncommon Emoticon
Market price: ~0.03 USD
Preview:
:scroll1:
x1
Steam
Emoticon
:scroll1:
Type: GooCubelets: The Algoorithm Emoticon
Market price: ~0.01 USD
Preview:
:sticky:
x1
Steam
Emoticon
:sticky:
Type: Team Fortress 2 Emoticon
Market price: ~0.08 USD
Preview:
:jarate:
x1
Steam
Emoticon
:jarate:
Type: Team Fortress 2 Emoticon
Market price: ~0.08 USD
Preview:
:spycon:
Steam
x0
Emoticon
:spycon:
Type: Team Fortress 2 Emoticon
Market price: ~0.09 USD
:sentry:
Steam
x0
Emoticon
:sentry:
Type: Team Fortress 2 Emoticon
Market price: ~0.08 USD
:medicon:
Steam
x0
Emoticon
:medicon:
Type: Team Fortress 2 Emoticon
Market price: ~0.09 USD
:demoticon:
Steam
x0
Emoticon
:demoticon:
Type: Team Fortress 2 Rare Emoticon
Market price: ~0.11 USD
:bag:
x1
Steam
Emoticon
:bag:
Type: Steam Summer Getaway Rare Emoticon
Market price: ~0.08 USD
Preview:
:ThinkingFrog:
Steam
x0
Emoticon
:ThinkingFrog:
Type: Heroes of Dire Emoticon
Market price: ~5.52 USD
:emocompy:
x1
Steam
Emoticon
:emocompy:
Type: Dino D-Day Emoticon
Market price: ~0.04 USD
The Compy is concerned.
Preview:
:emofdr:
Steam
x0
Emoticon
:emofdr:
Type: Dino D-Day Emoticon
Market price: ~0.15 USD
:luf:
x1
Steam
Emoticon
:luf:
Type: The Decimation of Olarath Emoticon
Lots of luf!
This item can no longer be bought or sold on the Community Market because Valve no longer has a business relationship with the developer.
Preview:
:g_heart:
Steam
x0
Emoticon
:g_heart:
Type: Zup! 2 Uncommon Emoticon
Market price: ~0.28 USD
:p_heart:
Steam
x0
Emoticon
:p_heart:
Type: Zup! 2 Rare Emoticon
Market price: ~1.2 USD
:XTale:
x1
Steam
Emoticon
:XTale:
Type: Arcade Tale Emoticon
Market price: ~0.01 USD
Preview:
:heartred:
Steam
x0
Emoticon
:heartred:
Type: - Arcane Raise - Emoticon
Market price: ~0.11 USD
:csgoglobe:
x1
Steam
Emoticon
:csgoglobe:
Type: Counter-Strike: Global Offensive Emoticon
Market price: ~0.09 USD
Preview:
:witch:
x1
Steam
Emoticon
:witch:
Type: Left 4 Dead 2 Uncommon Emoticon
Market price: ~0.08 USD
Preview:
:DSTpoop:
Steam
x0
Emoticon
:DSTpoop:
Type: Don't Starve Together Emoticon
Market price: ~0.08 USD
:dswilsonscared:
Steam
x0
Emoticon
:dswilsonscared:
Type: Don't Starve Rare Emoticon
Market price: ~0.08 USD
:after:
x1
Steam
Emoticon
:after:
Type: Call of Duty: Black Ops II - Zombies Uncommon Emoticon
Market price: ~0.09 USD
"We can see things when were dead, things that we can't see otherwise." — Albert "Weasel" Arlington
Preview:
:roflo:
Steam
x0
Emoticon
:roflo:
Type: - Arcane preRaise - Uncommon Emoticon
Market price: ~0.09 USD
:glukkon:
x1
Steam
Emoticon
:glukkon:
Type: Oddworld: Abe's Oddysee Emoticon
Market price: ~0.01 USD
Part of the RuptureFarms logo
Preview:
:birdportal:
Steam
x0
Emoticon
:birdportal:
Type: Oddworld: Abe's Oddysee Uncommon Emoticon
Market price: ~0.02 USD