Install BE::Shell or upgrade to the latest commit. Themes are made with QSS - Qt Style Sheets, while the menu files for the globalmenu applet follow a simple xml syntax.
Visit this repo and follow the istructions using the script created by HombreMaledicto
Copy the Themes directory:
#!bash
cp -r Themes `kde4-config --localprefix`/share/apps/be.shell/
Copy the included be.shell file:
#!bash
cp be.shell `kde4-config --localprefix`/share/config/be.shell
Reload be.shell:
#!bash
kquitapp be.shell; sleep 2; be.shell
Copy the folders Menu, Scripts and the MainMenu.xml file:
#!bash
cp -R Menu Scripts MainMenu.xml `kde4-config --localprefix`/share/apps/be.shell
Make the scripts executable:
#!bash
chmod -R 777 `kde4-config --localprefix`/share/apps/be.shell/Scripts/*
Modify the username & password in Scripts/applet mail section to use the mail specific applet.