Step1: Import the Capture Image.
You can find the capture file at \\server\deploymentshare$\Capture or x:\deploymentshare\capture.
If you have already imported Windows 7 DVD.
You can chose for Sysprep and Setup files are not needed. The Setup will copy them automatically when de Capture wil be deployed. 
Step 2. Create a Normal Client Task with the OS Capture that you imported.