By default, Entourage prevents the automatic download of pictures in email messages as a security measure to help prevent possible spamming. You can either have it download images in all messages or only in messages sent from your Address Book contacts.
1. Open Entourage 2008.
2. Use the Apple menu to select Preferences.
3. Go to the left pane, under General Preferences and select Security.
4. Go to the [b]Download pictures[/b] section and use the radio buttons to choose either In all messages or In messages sent from Address Book contacts.
5. Click the OK button.