Problem With camera -- not taking sharp pics --- help me plz

[dragon_arts]

hello guys --

this is my first post hope i will get help from you guys -- i have problem with my camera its not taking sharp pics --- im really disspointed coz i have changed the camera lense still the same problem :(

sample pics on this link

http://naveenkumar.com/test/imate-jam.htm

i hope someone will help me solve this problem

thanks in advance

best regards
Naveen