First round of previews fail when using tokenized paths

Hello..

1) CCK 5.x-1.5
2) imagefield 5.x-2.x-dev
3) apache owned files dir, global tmp dir
4) public files
5) imagefield added to blog, multiple allowed, tokenized with "[uid]/blog-images" for path

6,7,8) Here is the situation. After configuring the imagefield with the path above, the first time the user starts a new node and uploads an image, the preview for that image is broken. This is because that path doesn't get created until their first submit (for tokenized paths).

It's actually sort of wierd, but drupal_create_path doesn't "create" any directories. :) So a call to imagefield_check_directory() is needed in _imagefield_widget_prepare_form(). I've included the patch I'm using for review.

Two other little side notes:

1) When setting up a new imagefield with tokenized paths, the module wants to create the directory no matter what. I see why it would do that for a non-tokenized path, but perhaps a check for '[]''s could be added so that a directory like '[uid]/blog-images' isn't literally created.

2) I submitted a patch for imagecatch that allows it to display images that are still in temp. (from imagefield, filefield and upload). It does so by just creating the derivative and sending it without saving a perminent copy. Assuming they accept it, I'd like to add the ability to imagefield to use a small derivative like that from imagecache in the add/edit form so that the original image isn't sent back to the creator. Is there interest in this for the project?

Thanks!