Some messages in yahoo groups contain binaries, namely jpg's, and sometimes (I'd say 90%) they download properly, sometimes nothing happens, or rather the "working on it" indicator on the upper right of K-Meleon moves a few seconds and then stops and zilch, the picture doesn't appear, no window opens. That is when simply when left-clicking on the "Download" link. If I right-click and "Save link as" it works. It would be nice though if there was some sort of indicator to show download progress. One example is this:
http://groups.yahoo.com/group/JimmieLees_BeautifulAsians/message/10282