KDE Users

GNOME Do, as the name suggests, is developed and chiefly used on GNOME. However, it works just as well on KDE, and even has a theme to go with the default KDE style.

Theme

If the default theme disagrees with your aesthetic tastes, you can enable the KDE styled one by selecting the Glass Frame theme in the Appearance tab of the Preferences window.

Icons

Unfortunately, there appear to be some bugs with Do not using the applied KDE icon theme. The developers (and the head of the project), have been notified, and a fix is in the works.

Window Layer Bugs

Some KDE users have reported a bug (particularly in KDE 4) where Do stops appearing above their other windows like it is supposed to. Do user Killerah has posted a fix on Launchpad, transcribed here:

• In KDE 4 go to System Settings>Window Behavior and create a new window specific setting. Change "Window Class" to "Exact Match" and type in "do".
• Now click on the "Window Extra" tab and set the window type to "Splash Screen", then change "Window Title" to "Exact Match" and type in "Do".
• Now go to the "Workarounds" tab and set "Focus Stealing Prevention" to "Force" and "None", then change "Window type" to "Force" and "Splash Screen".
• Then just Hit OK and Apply and you should be good to go.