Gufw, a firewall that uses UFW (Uncomplicated Firewall) under the hood, has been updated recently, getting a new layout and some important new features.
8 of the themes included in the pack support Xfwm4 too:
After an update today, Lubuntu 13.10 Saucy Salamander, the LXDE Ubuntu flavour, has switched to Firefox as the default web browser, replacing Chromium, which is a bit of a surprise, considering that Ubuntu 13.10 may switch from Firefox to Chromium.
Quick tip: new VLC versions are released quite frequently and even though some don't introduce any new features, there are important bug fixes in each release (you can find the VLC changelogs HERE). If you want to always have the latest stable VLC version in Ubuntu, here are some PPAs you can use.
By default, in Ubuntu and probably other Linux distributions, if you're playing music in Rhythmbox, Audacious and so on while receiving a call in applications such as Skype, Ekiga Softphone, SFLphone VoIP Client and other VoIP applications, the music continues to play even after answering the call.