weird thing coming in my photos

I am going to go ahead and say that a lot on here would rather you just post the photo in the forum rather than linking to your own Flickr profile. However, for your photo, it looks as if your shutter speed was too long and the "mosaic" style look that you are getting is from the camera moving (camera shake) while your photo is being taken (or, if it was a very windy day, the tree itself could be swaying in the wind, too). Use a shorter shutter speed.
I'm guessing that ^^ to be the case, but the image is very small; perhaps host a larger version on a better website so that we could see some detail?
Camera Model: NIKON D7100
Image Date: 2013-07-24 18:01:10 (no TZ)
Focal Length: 18mm (35mm equivalent: 36mm)
Digital Zoom: 1.330x
Aperture: f/3.5
Exposure Time: 0.0004 s (1/2500)
ISO equiv: 400
Exposure Bias: none
Metering Mode: Spot
Exposure: shutter priority (semi-auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB
GPS Coordinate: undefined, undefined
Software: Ver.1.00

It looks more out-of-focus than anything. I'd say use a longer shutter speed and stop the lens down. Lower the ISO as well.
Thanks you very much
I really appreciate your support and concern for me
I will try as you say.
i am still encountering this problem of weird mosaic thingy
ISO was 100 this time
shutter speed was 800 and aperture was 3.5

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