Updated more omz, just a few tweaks and now omz plugin ... works as expected.

omz

@@ -22,15 +22,14 @@ omz () {
       for config_file ({$ZSH/lib,$OMZ}/*.zsh(N))
         source $config_file
 
-      # !next
-      omz plugin
+      omz plugin $plugins
       omz theme ;;
     # Load plugins, can be used to load a plugin during runtime.
     ("plugin") shift; local plugin files
-      for plugin in $plugins $@; do
-        files=({$OMZ,$ZSH}/plugins/$plugin/$(basename $plugin).plugin.zsh(N))
+      for plugin in $@; do
+        files=({$OMZ,$ZSH}/plugins/$plugin/*.zsh(N))
         [[ ${#files} -eq 0 ]] && omz_log_msg "$plugin: Plugin not found." && continue
-        source $files[1] || omz_log_msg "$plugin: Error, can't source plugin file."
+        source $files[1]      || omz_log_msg "$plugin: Error, can't source plugin file."
       done ;;
     ("theme") local theme
       zstyle -a :omz:style theme theme

plugins/colorizer/colorizer.plugin.zsh

@@ -1,42 +0,0 @@
-# This plugin is in the making, no need to start it.
-# The point of this plugin is so we can use our own $fg replacements that respect customization!
-#
-# A method to get/collect escape codes from #RRGGBB hex needs to be added but only used to gather the escape codes. ( should be two-way. )
-__colors=(cyan white yellow magenta black blue red default grey green)
-_ecolors=("\e[36m" "\e[37m" "\e[33m" "\e[35m" "\e[30m" "\e[34m" "\e[31m" "\e[39m" "\e[30m" "\e[32m")
-# This is just an easy way to show all the colors.
-echo ${^_ecolors}t
-
-## Extracted from my .Xdefaults; want to merge these colors into the terminal; TODO: Create a method/function to convert the #RRGGBB into an escapable character for strings!
-#!--[Colours]--!
-#! black
-#URxvt*color0: #000000
-#URxvt*color8: #999999
-#
-#! red
-#URxvt*color1: #BD484A
-#URxvt*color9: #F55D60
-#
-#! green
-#!URxvt*color2: #66994E
-#!URxvt*color10: #93DB6F
-#
-#! yellow
-#URxvt*color3: #C4A043
-#URxvt*color11: #F0C452
-#
-#! blue
-#URxvt*color4: #567B94
-#URxvt*color12: #7CB2D6
-#
-#! magenta
-#URxvt*color5: #BB88DD
-#URxvt*color13: #D7AFD7
-#
-#! cyan
-#URxvt*color6: #00BBDD
-#URxvt*color14: #0DEBFF
-#
-#! white
-#URxvt*color7: #C7C7C7
-#URxvt*color15: #D9D9D9