I have two different All Star lineups. Here's my first one, and what versions of the characters I'm using:
Superman: Leader of the team, and its spokesperson. He's idealistic, and believes in the team very much. His best friends on the team are Bruce, Diana, and J'onn, though hes friendly with everyone. When has an order, everyone on the team follows it, except Batman. He'd be a mix of All Star Superman, Chris Reeve, and JLU Superman.
Batman: Team Strategist and Tactician. He's very much a behind the shadows type member of the team. He's aloof and mysterious, and usually appears only when he feels like it. If he dosent agree with a decision, he'll usually argue it out with Superman, but other wise, they're great friends, almost like brothers. Batman has a flirtatious relationship with Wonder Woman, and somewhat of a friendly rivalry with Hal Jordan. He's a mix of the O Neil/Adams Batman, Grant Morrison JLA Batman, TAS/JLU Batman, and Jeph Loeb Batman.
Wonder Woman: The teams other spokesman and UN representative. She's very much a warrior. She's even more subborn than Batman is. She's often cold and calculated in battle, but she also cares very much about her teammates. She's the second strongest person on the team, besides Superman. She's a mix of Lynda Carter's Wonder Woman, Greg Rucka's Wonder Woman, and Alan Heidburg's Wonder Woman.
The Flash: In my continuity, Wally West takes the mantle after Barry dies in battle. He's the rookie of the team, and the fastest member. He flirts with the ladies on the team, and acts somewhat immature. But, deep down he's a caring individual. Wally is the most accessible and relatable member of the team to the public. He's like a younger brother to many of the members. His best friend on the team is Green Lantern. He's a mix of JL/JLU Flash, Mark Waid's Flash, and Geoff John's Flash.
Green Lantern: The Hal Jordan version. He's the complete opposite of Batman: Never has a plan, lives by the light instead of the dark, and is part of a community(GL Corps), rather than by himself. Besides this, he and Bruce are friends, but have somewhat of a rivalry. He's much more cocky and charismatic than the usual version of the character. He acts very much like Indiana Jones, Tom Cruise from Top Gun, etc.
Aquaman: The Water hand version of the character. Very regal and king like, and very powerful as well. He's good friends with J'onn and Wonder Woman, and cant stand Wally's childish antics. He's a mix of Water Hand Aquaman, Grant Morrison's JLA Aquaman, and JL/JLU Aquaman.
Martian Manhunter: The heart and soul of the Justice League. The one member everyone else loves and respects. I've decided to tone down his powers a bit, focusing more on his shape shifting and telepathic abilites like on JLU.