I believe this is what your looking for. I posted the link to the .dmg you need to download from apple. Comes with everything you need in incorporate the image capture.
ftp://ftp.apple.com/developer/Develo..._Tiger_SDK.dmg
"This package contains the Image Capture SDK for Mac OS X v10.4 Tiger for both application development and camera/scanner module development. It includes sample code and documentation demonstrating how to use the Image Capture framework to access camera/scanner devices and how to write Image Capture camera/scanner modules and TWAIN Data Sources for Mac OS X v10.4 Tiger. Also included are the ICAAPITest tool for testing the APIs, CameraCheck tool to test a device with Image Capture, Image Capture Browser for browsing ICA objects and properties, ICANotificationListener tool to check for ICA notifications and the TWAIN_DS_Tester to test TWAIN Data Sources for use with Mac OS X v10.4 Tiger."