diff --git a/ReadMe.md b/ReadMe.md
index 1bf832f..9d89be0 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -31,7 +31,8 @@ output.)
 ```
 
 The above are the default settings. If you need something different, you only
-need to specify the changes.
+need to specify the changes. (There is a `config.json.example` file equivalent
+to the above.)
 
 ### Gemini Issues
 None of this works unless you **disable Gemini's personalization/memory**,
diff --git a/config.json.example b/config.json.example
index cc22bbc..df371d6 100644
--- a/config.json.example
+++ b/config.json.example
@@ -1,5 +1,7 @@
 {
   "llm_covers": {
-    "calibre_location": "/Applications/calibre.app"
+    "calibre_location": "/Applications/calibre.app",
+    "default_model": "gemma4:12b-mlx",
+    "maximum_bytes": 40000
   }
 }
diff --git a/lib/timing.lua b/lib/timing.lua
index e770603..96ece80 100644
--- a/lib/timing.lua
+++ b/lib/timing.lua
@@ -18,6 +18,8 @@ function timing.stop()
 end
 
 function timing.print_report()
+  if #entries == 0 then return end
+
   local minimum, maximum, sum = math.huge, -math.huge, 0
   for _, data in pairs(entries) do
     local delta = data.delta
diff --git a/make_cover_briefs.lua b/make_cover_briefs.lua
index 1b4279b..40803f5 100755
--- a/make_cover_briefs.lua
+++ b/make_cover_briefs.lua
@@ -52,8 +52,8 @@ local send_prompt = function(text, model)
 
   timing.start()
   -- word wrap breaks the raw output badly, so I need to implement my own for terminal output somehow
-  local output = utility.capture_safe("cat " .. tmp_file_name:enquote() .. " | ollama run " .. (model or default_model) .. " --nowordwrap")
-  os.execute("ollama stop " .. (model or default_model)) -- NOTE this makes things slower, but more stable
+  local output = utility.capture_safe("cat " .. tmp_file_name:enquote() .. " | ollama run " .. (model or config.llm_covers.default_model) .. " --nowordwrap")
+  os.execute("ollama stop " .. (model or config.llm_covers.default_model)) -- NOTE this makes things slower, but more stable
   local delta = timing.stop()
 
   print("Took " .. delta .. " minutes.")
@@ -165,6 +165,7 @@ local convert_ebooks = function(books)
 
     if utility.path_exists(extracted_file) then
       data.extracted_file = extracted_file
+      data.extracted_file_size = utility.file_size(extracted_file)
     end
   end
 end