Rated 5 out of 5 stars

Great app. Very easy to use and does exactly what it advertises. My one suggestion is to add an option where images are (automatically) resized to a smaller size if they are larger than usual (I mean re-sized in the smilie preview window, not once they are pasted). I use this program to paste not just smilies but all sorts of gifs and pngs to add flavor and snark to messages. Unfortunately, some of these take up a large number of pixels, and the smilie selection window goes a little awry in response since the smilie columns widen to the size of the single offending gif. Anyway, not a big deal, but just a thought!

A way to deal with large images is to put them in their own Directory. I recommend creating a Smilie folder with subfolders of images sorted by size and frequency of use.
The "Change Directory" button will automatically open with the "parent" smilie directory expanded to show the subfolders for quick selection.

If you have excessive side to side scrolling due to large images, E-mail me and I'll send you a copy that has a Directory dialogue option limited to 4 columns wide, in addition to the normal 8 columns, that you can dedicate to the folder of large images.