After playing for a while. Now I can add my feeds to Pulse. I will show you ..."
First, Open Pulse...
Then press Menu button and touch on [Manage Sources]
At Manage Sources page, press Menu button again and touch on [Add source]
You will see something like this. Just touch on [Search] tab.
At textbox, fill your feeds URL (In my case, It was my figure blog feed : http://feeds.feedburner.com/Lemongrass-studioFigurePhotosCollectionBlog) then just click on [search icon] button.
If you feeds URL was right, It will appeared on search results.Just click on [+] button to add you feeds to Pulse.
That is .. Now you can feed your own feeds here ...