**Update**
Just uploaded 2 screen shots of Pandora using Josef Gray's Kozaburo Hair Style, which looks absolutely fantastic with Pandora and definitely makes her sexier than she already was. To change Pandora's hairstyle to look like the new screenies i've posted, you will need to download and install JG's Kozaburo mod and type "showracemenu" into the console to change her hair (or visit a NPC in-game who can cut your hair for you if you don't want to cheat).

I have uploaded an alternate .rar file containing new save files that are auto-adjusted to those using JG's makeup texture. It contains 2 save files, one that starts you off as a baby in the very beginning, and the other one that instantly starts at the cave exit where you you get to re-edit Pandora before leaving. The female texture mod by thecaptainhere requires little to no modification of Pandora in the facegen, so using the regular Pandora save file with it will look fine.

Note: If you already started playing on the original version of Pandora's save file and you later decide to try a makeup mod out, you will have to manually type into the command console: "showracemenu" and modify the tone colors of Pandora's eyes.
Mainly lower the eyeliner level to 0 and adjust the brow/eye sockets until they don't look too freakishly black, and Pandora will look the same as she does on the JGM save file I've uploaded.

I also added an end game save file you can download, which is my actual Pandora character that I play as my main. She is on the last quest in the main story arc, but I saved right before having to do anything so you can still explore the rest of the wastelands. The save starts you in your Megaton home, and her main weapon is the Fisto! with 100 skill points in Unarmed.

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Pandora starts off with all the regular items obtainable from Vault 101 before you leave (10mm pistol/ammo, aid supplies, armor, etc), plus a sexy sleepwear outfit to compliment her good looks ;)

Loading up the save file takes you instantly to the cave exit from the vault where you can make character adjustments to your looks/stats before going into the Wastelands.
Note that I have not given her any preset skills or a S.P.E.C.I.A.L. build. I simply left most of her stats at the default 5, maxed her luck out at 10, and chose 3 random skill tags.

***Don't forget to edit and redistribute your points to your own preference before leaving the cave entrance.***

Something else I should mention is that I did not kill Amata's father, the Overseer, and I also managed to pick up the Medicine Bobblehead in the clinic from the beginning of the game right before taking the G.O.A.T. exam. I also read the Grognak comic book received from Amata for your character's 10th birthday party, which increases damage with Melee Weapons.

To install and begin your game as Pandora, extract the .fos save file to C:\Documents and Settings\My Documents\My Games\Fallout3\Saves\

If you want Pandora to look EXACTLY the way she does in the image screenshots i've uploaded, I highly recommend downloading the following mods:

Drknss RealEyes v2cHQ by Darknssfalls: Currently the highest-res eye texture available. Vanilla eyes are dull and for the most part lacks colorfulness.
BetterLingerieAndTorsoV2 by Meisekiyume: Makes Pandora's sleepwear/nightwear clothes transparent and her nipples visible through the fabric.
Leather Textures for BetterLingerieAndTorso by Rekicker: Nice add-on to Meise's mod, looks very sexy on Pandora.
Female Makeup by Naouak: In the newer screen shots Pandora's eyebrows have been "tweezed" for a more feminine look, but otherwise I did not load any other makeup file by Naouak besides the brows.
Sexy Underwear by SorrySoldOut: Much sexier underwear than the vanilla Fruit of the Looms.
Animation Beta by Umpa: A set of animations and poses that are great for screen shots using "tfc".