Yet another update. We're up to 630 now, which is only 50+ more than the last pack, but this time I organized the hell out of it. All images contained in the archive are 150 x 150 .pngs, and one animated .gif.
Alphabetical order just wasn't working for me anymore. A new system was required, so I gave it some thought. Since I use these mostly to convey emotion in text messages and such, why not put it in some type of emotional order? This new order makes more sense to me.
When you download this pack, you'll notice they're ordered in some bizarre number system (in the same order as seen above.) We have a basic emotion and the ranges of that emotion from least to most displayed. Here's how it breaks down: