There are currently 4 custom scripts for Baldur's Gate available.
After downloading, refer to the Instructions section for help with installation.

Name	Author	Description
Poison Cure	Arundor	Cheating script. Allows you to complete a quest that some players have difficulty solving on their own. This script cure you of Marek's and Lothander's posion. Read the readme to find out how to use it.
Cleric Mage Script	Kelly	A script for Cleric/Mages that prioritizes attacking other magic-users.
No End Script	Mergwood	Allows you to keep playing after completing the primary game plot.
Gorion Wins	Mergwood	This will change the game so that Gorion will defeat Sarevok during the battle near the beginning of the game.