D3m0n:

User consensus taken from a multitude of IRC channels and networks is this. mIRC should not display smileys by default for any reason. It shouldn't even have support for them. Otherwise everyone's going to move to another client smile

Adding internal JPG support is one of those 'makes sense' functions considering BMP in raw format is just so huge. JPG is the absolute standard in image compression on the internet. This isn't an aesthetic appeal, this is just one of those "it makes sense to have it" ideas.

Now if people started begging for splay to support ogg vorbis or AAC or any other format, I'd complain about that, too smile mp3 makes sense for functionality again for the same reason jpg > bmp.