Enable Debug Mode. Then, when generating a character, press Ctrl + Shift + 8.
Heal and Jump
With Debug Mode enabled, press Ctrl + R to heal a character, and Ctrl + J to jump to the mouse cursor location.
Heal Party
When you have Debug Mode=1 in your baldur.ini file, you may use [CTRL] + T to move time forward.
Instant Kill
When you have Debug Mode=1 in your baldur.ini file, you may use [CTRL] + Y to kill the person or monster the cursor is on.
Other Cheats
When you have Debug Mode=1 in your baldur.ini file, you may use [CTRL] + 1 to change armor class of selected character. [CTRL] + 6 and [CTRL] + 7 to change the model of the selected char (prev and next, respectively).