Leviathan theme for XFWM4. This theme is based on "Leviathan" suite for GTK and Emerald by THEvalrog.
Installation of XFWM4 theme:
1) Place 'Leviathan' folder containing 'xfwm4' folder in 'usr/share/themes'.
2) Launch windows options and choose "Leviathan" theme.
For GTK & Emerald, PekWM and BMPanel - check download links.