I'm new to digital photography, so please excuse me if this question has
already been discussed earlier.

Whenever I take pictures once I download them into my photo album alot of
them are fuzzy or out of focus. Now it's not the whole photo just certain
things. Sometimes it could just be a person or sometimes it could just be
one small thing. When i take the photos I view it thru the LCD and it's
always focused properly and perfect. Even the photos that are kept on the
camera always remain in focus and perfect but once they're viewed on my
computer, they have bits that are out of focus. What is the problem and how
can i fix it? Help much appreciated.