Are you just pressing the render button or are you rendering through videopost? In order to render these effects you have to render using the videopost render dialog.
Click the add scene event button, choose a time range and click ok. Then click image output event choose an avi or an image sequence to save to and then click ok. Then click execute seqeunce. ( I'm assuming you've already got an image filter event in there, if not you'll have to add one for each effect you want.)

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