1. Goto https://photos.google.
2. Click +New album.
3. Select the photos that you want to insert into the blog.
4. When finish, click Create at the top right.
5. Enter the name of your album (e.g. My Blogger Photo Album).
6. When finish, click check mark at the top left.
7. Go to Blogger.com
8. Create new or edit old post.
9. Click Insert image button (next to Link).
10. Select From Google Album Archive.
11. Click to open the album (which you named in step 5).
12. Select the photo that you want to insert.
13. Click Add selected.