diff --git a/tumble/main.py b/tumble/main.py
index ba29681..281fb9f 100644
--- a/tumble/main.py
+++ b/tumble/main.py
@@ -3,7 +3,13 @@ main.py
 Contains classes for managing and downloading media from Tumblr
 """
 
+from typing import List
+
 class Blog:
+    """
+    A Blog object assists with downloading media from a specific blog.
+    It holds very basic information for cycling through all
+    """
     def __init__(self, blogid, download: bool = True, max_pages: int = 99999):
         """
         :param download: If true, begin downloading immediately following initialization.
@@ -13,15 +19,38 @@ class Blog:
         self.id = blogid
         self.max_pages = max_pages
 
-        self.media_urls = []
-        self.pagenum = 0
+        self.media_queue = []  # Stores URLs to media
+        self.processed_media = []  # Stores URLs for successfully processed media
+        self.pages = []  # Stores Request objects for every page. Index 0 => Page 1
 
         if download:
             self.process()
 
-    def process(self) -> None:
+    def process(self, require_download: int = -1) -> None:
+        """
+        Processes the entire Tumblr blog acquiring all Media URLs
+        :param require_download: The number of media endpoints the function will pass before downloading media early
+        """
         for page in range(1, self.max_pages):
-            url = self.pageURL(page)
+            urls = self.getPage(page)
+            if urls:
+            else:
+                print(f'Last page processed ({page}).')
+                break
 
-    def pageURL(self, page):
-        return f'https://{self.id}.tumblr.com' + f'/page/{page}' if page > 0 else ''
+    def getPage(self, page: int) -> List[str]:
+        """
+        Processes a Tumblr page on a blog, locating all media URLs.
+
+        :param page: The page index
+        :return: A list of URLs for pictures or videos found on the associated page
+        """
+        pass
+
+    def pageURL(self, page) -> str:
+        """
+        Returns the appropriate URL for a given page, for a given Tumblr blog
+        :param page: The page index
+        :return: The URL-like string containing the URL to the given page
+        """
+        return f'https://{self.id}.tumblr.com{f"/page/{page}" if page > 0 else ""}'