Google Bing Yahoo do not show your website at their platform. So we follow a variety of techniques to display our websites in search engines.
We search images from Google and find new sites from Google image search. Its a very cool tip to get visitors from Google image search.
1. Using ALT image tag
Suppose you upload a image to Picasa of blogger you will get a image HTML code just like this
<img src="http://2.bp.blogspot.com/-QOASsZkyXu4/T-Q6FQVLbQI/AAAAAAAABhw/NXa8OexAbGU/s320/seo-process6.jpg" />
Now you have to add alt tag.Just take a look below of red colored text
<img src="http://2.bp.blogspot.com/-QOASsZkyXu4/T-Q6FQVLbQI/AAAAAAAABhw/NXa8OexAbGU/s320/seo-process6.jpg" alt="Your images description"/>
I think you already get how to add alt tag in images.So your images can be seen in search engines
Go to Blogger > Design > Edit Html
Now tick on the Expand Widget Template and search for the following code using CTRL+F
Now Paste the following code just before it
Save your template. Now your Blogger template is more SEO friendly.