I have several JPEG photos that I am trying to import into Lightroom 3 and am having trouble renaming them. I have LR set to rename the files with a custom text and the original file name. For example, if I have IMG_1104.jpg, I rename it to be CanonSD450-IMG_1104.jpg, however I have several copies that I've resized for sharing online and added a suffix "f". However, when LR imports them, it drops the image number, resulting in the filename being CanonSD450-IMG_f.jpg. Any idea what is going on and how to fix it?