Changing the op logo on S60v3

If anyone knows how to edit the Op logo on S60v3 phones, please let me know as it beats me. I've found an app that will allow you to switch the op logo on/off here. Once installed you can find the app through menu>tools>settings>phone>standby mode>operator logo, where you can switch it on/off. But oplogo editing would be a major plus.

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