Blurry photos???

I seem to be very confused by blogging at the moment and have lots of questions to ask, my first one is about blurry photos. I take photos with both my iPhone and my DSLR and have a tendency to use my phone to write my blog posts because I can sit with the kids in the living room BUT my photos lately have been blurry. They are clear on my phone or mac and at first I thought it might be because I was looking at my blog on my phone but that's not the case. They are just plain blurry! If you click on them they are clear but how many people want to click on all your photos when reading your blog??
It seems I'm not the only one with this problem but there doesn't seem to be one cure everyone has a different way of correcting this problem and I was just wondering if you lovely bloggers had
A) noticed that my photos were blurry
B) had any ideas on what I am doing wrong
and
C) could point me in the right direction to get this problem solved

I have added a photo so you can see what I mean...



Thanks in advance from "confused of chelmsford"


- Posted using BlogPress from my iPhone