manage the blog posts

Hello i decided to use the builtin wordpress feature to display all the post of my site, so i can “save” a plugin.

I see there ar enot much option to edit the “latest post” feature, anywaysome are really important:

1 how to go to next page of posts? i display 10 on my page, but i have hundreds..so how to make the user to to to next pages?

2 category:shall i put the category name or number to filter?

3 i would like to put some spacet between a post and another..how do i do?

thank you

The page I need help with: [log in to see the link]