Missing Dolphin context menu icons in Ubuntu 12.04

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http://askubuntu.com – I have installed Dolphin and Krusader to navigate faster than Nautilus. (I am happy with them, please do not advice another one) But, when I right click, I see a context menu with no icons. In normal Kubuntu OS (not Ubuntu), there are icons in right click menu. Could you help me how I could add this icons to context menu? (HowTos)