Here is the recording URL from my presentation last night to the Boston CFUG on ColdFusion 8 Image processing:
http://adobechats.adobe.acrobat.com/p15027844/
Unfortunately my machine froze right at the beginning of Q and A, but there were questions earlier on in the presentation. You can download the slides and code using the Download link below. Note that the file size is a bit big (8.something megs).