A preview wodn't take more than a couple of kb's, if that's actually a download.....
Pic preview should be a handy feature. Why downloading a large pic that might leech modem users' speed and precious time when you can preview it and decide not to accept the transfer?. Sharing program or not, the send and receive features are avaialble on mIRC so improving them would just do a lot of favor to the average user.
