modifying the task bar

[Lars Dɪᴇᴄᴋᴏᴡ 迪拉斯]

This is a screenshot of my task bar: <http://i.imgur.com/H9s3n.png>

How do I get the coloured icons for klipper, kwallet, kmix etc. back?
How do I get rid of the crud under the clock/calendar area?

This is KDE 4.7.4 on OpenSUSE 12.1.
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