diff --git a/src/wallman_lib.py b/src/wallman_lib.py
index dd69fcd..ac2774a 100644
--- a/src/wallman_lib.py
+++ b/src/wallman_lib.py
@@ -1,25 +1,23 @@
 from sys import exit
 from os import chdir, getenv, system
-from typing import List, Dict, Union
 import logging
 import tomllib
 from datetime import datetime, time
-from apscheduler.schedulers.background import BackgroundScheduler, BlockingScheduler
+from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.triggers.cron import CronTrigger
 
+from wallman_classes import *
+
 # Setup Logging. NOTE: Declaration as a global variable is necessary to ensure correct functionality across multiple modules.
 global logger
 logger = logging.getLogger("wallman")
 
-class ConfigError(Exception):
-    pass
-
 class _ConfigLib:
     # Initializes the most important config values. TODO: Add handling for the empty config edge case
     def __init__(self) -> None:
-        self.config_file: Dict[str, Dict[str, Union[int, str, bool, List[str]]]] = self._initialize_config() # Full config
+        self.config_file: ConfigFile = self._initialize_config() # Full config
         # Dictionaries
-        self.config_general: Dict[str, Union[int, str, bool, List[str]]] = self.config_file["general"]
+        self.config_general: ConfigGeneral = self.config_file["general"]
         self.config_changing_times: Dict[str, str] = self.config_file["changing_times"]
         # Values in Dicts
         self.config_wallpaper_sets_enabled: bool = self.config_general["enable_wallpaper_sets"]
@@ -47,16 +45,16 @@ class _ConfigLib:
             self._initialize_systray()
 
     # Read config. TODO: Add error handling for the config not found case.
-    def _initialize_config(self) -> Dict[str, Dict[str, Union[int, str, bool, List[str]]]]:
+    def _initialize_config(self) -> ConfigFile:
         chdir(str(getenv("HOME")) + "/.config/wallman/")
         with open("wallman.toml", "rb") as config_file:
-            data: Dict[str, Dict[str, Union[int, str, bool, List[str]]]] = tomllib.load(config_file)
+            data: ConfigFile = tomllib.load(config_file) #pyright:ignore
             return data
 
     # HACK on this to avoid double importing of wallman_systray due to variable scope. Idea: Global variable or Variable that is inherited?
     def _initialize_systray(self):
         try:
-            import wallman_systray
+            import wallman_systray as _
         except (ImportError, FileNotFoundError):
             self.config_systray = False
 
@@ -117,6 +115,7 @@ class ConfigValidity(_ConfigLib):
         super().__init__()
 
     def _check_fallback_wallpaper(self) -> bool:
+        # TODO: Make self.config_general["fallback_wallpaper"] a class-wide variable in ConfigLib
         if self.config_general["fallback_wallpaper"]:
             logger.debug("A fallback wallpaper has been defined.")
             return True
@@ -213,7 +212,7 @@ class WallpaperLogic(_ConfigLib):
     def __init__(self) -> None:
         super().__init__()
         # NOTE: This looks a bit ugly. Consider pros and cons of adding this into _ConfigLib
-        self.chosen_wallpaper_set: Union[bool, List[str]] = False
+        self.chosen_wallpaper_set: str = "fFTojkvCLIkGVlC6vUo4701djCZczmJDiyHKj4Qdj0zwkLyETsPxP88DLmY9In0I"
 
     # NOTE: This function could be in a different file because it's not needed in the case only 1 wallpaper per set is needed.
     # Returns a list of a split string that contains a changing time from the config file
@@ -222,7 +221,6 @@ class WallpaperLogic(_ConfigLib):
         return unclean_times.split(":")
 
     # NOTE: This could be in a different file because it's not needed in the "Only one wallpaper set" case.
-    # FIXME: Use a TypedDict here
     def _choose_wallpaper_set(self) -> None:
         from random import choice as choose_from
         self.chosen_wallpaper_set = choose_from(self.config_used_sets)
@@ -264,7 +262,7 @@ class WallpaperLogic(_ConfigLib):
     # TODO: Add an way for the user to choose if the wallpaper should scale, fill or otherwise. This needs to be editable in the config file.
     def set_wallpaper_by_time(self) -> bool:
         # Ensure use of a consistent wallpaper set
-        if self.chosen_wallpaper_set is False:
+        if self.chosen_wallpaper_set != "fFTojkvCLIkGVlC6vUo4701djCZczmJDiyHKj4Qdj0zwkLyETsPxP88DLmY9In0I":
             self._choose_wallpaper_set()
         for time_range in range(self.config_total_changing_times - 1):
             self.current_time_range = time_range # Store current time for better debugging output