Install the following packages
# For taffybar/applet icons
gnome2.gnome_icon_theme
hicolor-icon-theme
# To get "old style" tray icons visible --- provides xembed
plasma-workspace
# For taffybar's SNI tray
haskellPackages.status-notifier-item
Include/modify ~/.xprofile to include something like the following
status-notifier-watcher &
GDK_DPI_SCALE=0.8 taffybar &
xembedsniproxy &
nm-applet --sm-disable --indicator &
Update taffybar.hs following the example in the taffybar repo, or mine