Pat, I will share what I found out, since I also had that problem too, before Bridget shared the secret. When you want to post a blog with numerous photos, first title it, then put one word into the blog area, then click update. Then when you go to the bottom of the blog area there is a place to click for downloading your photos. Now, download ALL of the photos, one by one that you want in that particular blog. Now you can continue with your blog and put each photo where you want it, clicking the tree, browse, etc, just like you've always done with a photo before. I am just learning all of this, so am not the expert, but just give it a try, play a little, until the expert submits a comment!!
In beautiful Northwest Montana