I am free to find a good, video editor that has a good amount of effects you can use and accept the AVI files. Can someone help me? 
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AVS Video Editor is a full featured, yet easy to use video editor that enables you to edit and enhance your videos and convert them to a variety of formats. You can import existing video clips or capture them directly from your DV recorder or other input device, and automatically split the video into scenes that allow you to cut parts from the movie or re-arrange the content.
You can add additional audio, transition effects, insert images, text overlays, and even video overlays to add special effects or annotations.
So I recommend you this tool,you can see detail and guides here: http://avs-video-editor.kooksoft.com/
I hope this may help you.
If you are looking for free video editing software, I think this website would help you, it collects many free video editing software for windows, mac and linux.
http://www.freedvdripper.net/free-video-editor.html
Or you may try this video editor, I always use it to edit video and make funny video, my friends recommend it to me, it has 10 times free trial without any limitation, it’s clean without any virus, I think it deserves the money.
http://video-editor.reviewstown.com/movavi-videosuite.html
Hope it helps. Contact me if you have any other question.