Instructions
Get on your computer and visit sims2.ea.com and log in to your account.
Click "Exchange" and then go to Sim. You can now type in adjectives like blond, brunette, red or other colors and hair styles.
Select the best option from the list of photos that will appear to show the available clothes and hair styles for your character. Select the one the you like most by clicking "Download."
Go to your "Sims 2 Body Shop" as your newly downloaded content will now be in the shop. Go to "Build Sims," then click "Sim Package." Select your new clothes or hair style.