To filmbufs you can still use iWeb as I still do. I have iLife 11 or whatever was the last one to have iWeb on the disc which is how I have it installed on my October 2011 iMac. I just put in the iLife disc and installed it and then installed all my templets from other vendors that I had purchased over the last few years and everything still works great.
I know someday it might not but for now it's all good. If you have it on disc I would just install it and use it like you have been.
Thanks, Dodger. Great to know it will still work with iLife upgrades. Yay!