diff --git a/beamercolorthemeaptero.sty b/beamercolorthemeaptero.sty
index bb0151b..04980e1 100644
--- a/beamercolorthemeaptero.sty
+++ b/beamercolorthemeaptero.sty
@@ -37,7 +37,7 @@
 % inner colors:
 
 \setbeamercolor{normal text}{fg=black, bg=}
-%\setbeamercolor{math text}{parent={normal text}}  % this kill coloring of \url{}
+%\setbeamercolor{math text}{parent={normal text}}  % this kills coloring of \url{}
 
 \setbeamercolor{structure}{fg=blue}
 \setbeamercolor{alerted text}{fg=red}
@@ -48,7 +48,11 @@
 \setbeamercolor{framesubtitle}{parent={titlelike}}
 \setbeamercolor{frametitle line}{fg=blue}
 
-\setbeamercolor{item}{parent={normal text}}
+\setbeamercolor{itemize item}{parent={normal text}}
+\setbeamercolor{itemize subitem}{parent={normal text}}
+
+\setbeamercolor{enumerate item}{parent={normal text}}
+\setbeamercolor{enumerate subitem}{parent={normal text}}
 
 \setbeamercolor{block title}{fg=white, bg=blue}
 \setbeamercolor{block body}{fg=normal text.fg, bg=black!10}
diff --git a/beamercolorthemeut.sty b/beamercolorthemeut.sty
index e76a743..cb71931 100644
--- a/beamercolorthemeut.sty
+++ b/beamercolorthemeut.sty
@@ -38,7 +38,11 @@
 \setbeamercolor{structure}{fg=utblue}
 \setbeamercolor{alerted text}{fg=utred}
 
-\setbeamercolor{item}{parent={normal text}, fg=utblack!60}
+\setbeamercolor{itemize item}{parent={normal text}, fg=utblack!60}
+\setbeamercolor{itemize subitem}{parent={normal text}, fg=utblack!60}
+
+\setbeamercolor{enumerate item}{parent={normal text}, fg=utblack!80}
+\setbeamercolor{enumerate subitem}{parent={normal text}, fg=utblack!80}
 
 \setbeamercolor{titlelike}{parent={normal text}, fg=utblack}
 
diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index c159289..7a26250 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -233,15 +233,37 @@
 
 %%%%% itemize and enumerate %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-%%%%% itemize and enumerate symbols:
+%%%%% itemize symbols:
 
-\defbeamertemplate{itemize item}{arrow}{%
-  \begin{tikzpicture}
-    \draw[line width=0.2ex] (0ex, 0ex) -- (0.45ex,0.5ex) -- (0ex, 1ex);
-  \end{tikzpicture}}
+\newcommand{\itemarrow}{\tikz[baseline]{%
+    \draw[line width=0.2ex] (0ex, 0.2ex) -- (0.45ex,0.7ex) -- (0ex, 1.2ex);}}
+\newcommand{\itemdash}{\tikz[baseline]{%
+    \draw[line width=0.2ex] (0ex, 0.7ex) -- (0.9ex,0.7ex);}}
 
-\setbeamertemplate{itemize item}[arrow]      % default, triangle, circle, square, ball
-\setbeamertemplate{enumerate item}[default]  % default, circle, square, ball
+\defbeamertemplate{itemize item}{arrow}{\itemarrow}
+\defbeamertemplate{itemize item}{dash}{\itemdash}
+
+\defbeamertemplate{itemize subitem}{arrow}{\itemarrow}
+\defbeamertemplate{itemize subitem}{dash}{\itemdash}
+
+\setbeamertemplate{itemize item}[arrow]   % default, triangle, circle, square, ball, arrow, dash
+\setbeamertemplate{itemize subitem}[dash] % default, triangle, circle, square, ball, arrow, dash
+
+
+%%%%% enumerate style:
+
+\defbeamertemplate{enumerate item}{alph}{\alph{enumi})}
+\defbeamertemplate{enumerate item}{Alph}{\Alph{enumi})}
+\defbeamertemplate{enumerate item}{arabic}{\arabic{enumi}.}
+\defbeamertemplate{enumerate item}{roman}{\roman{enumi}.}
+\defbeamertemplate{enumerate item}{Roman}{\Roman{enumi}.}
+
+\defbeamertemplate{enumerate subitem}{alph}{\alph{enumii})}
+\defbeamertemplate{enumerate subitem}{arabic}{\arabic{enumii})}
+\defbeamertemplate{enumerate subitem}{roman}{\roman{enumii})}
+
+\setbeamertemplate{enumerate item}[arabic]  % default, circle, square, ball, alph, Alph, arabic, roman, Roman
+\setbeamertemplate{enumerate subitem}[alph] % default, circle, square, ball, alph, arabic, roman
 
 
 %%%%% block environments:
diff --git a/beamerthemeut.sty b/beamerthemeut.sty
index a45734d..98cbe6d 100644
--- a/beamerthemeut.sty
+++ b/beamerthemeut.sty
@@ -42,8 +42,12 @@
 \setbeamertemplate{footline line}[page][0.75pt]   % text, page
 \setbeamertemplate{footline separator}[text][0.75pt] % text, full
 
-\setbeamertemplate{itemize item}[arrow]      % default, triangle, circle, square, ball
-\setbeamertemplate{enumerate item}[default]  % default, circle, square, ball
+\setbeamertemplate{itemize item}[arrow]   % default, triangle, circle, square, ball, arrow, dash
+\setbeamertemplate{itemize subitem}[dash] % default, triangle, circle, square, ball, arrow, dash
+
+\setbeamertemplate{enumerate item}[arabic]  % default, circle, square, ball, alph, Alph, arabic, roman, Roman
+\setbeamertemplate{enumerate subitem}[alph] % default, circle, square, ball, alph, arabic, roman
+
 \setbeamertemplate{blocks}[default]          % default, rounded
 
 \setbeamertemplate{title page}[leftlines]    % leftlines, centerlines
diff --git a/lines-example.tex b/lines-example.tex
index 933476d..4e25d59 100644
--- a/lines-example.tex
+++ b/lines-example.tex
@@ -138,13 +138,13 @@
 \end{frame}
 
 \begin{frame}[fragile]{Itemize and enumerate symbols}
-  \begin{block}{Itemize symbol}
-    \verb!\setbeamertemplate{itemize item}[arrow]!
+  \begin{block}{Itemize and enumerate labels}
+    \verb!\setbeamertemplate{itemize item}[arrow]!\\
+    \verb!\setbeamertemplate{itemize subitem}[dash]!\\
+    \verb!\setbeamertemplate{enumerate item}[arabic]!\\
+    \verb!\setbeamertemplate{enumerate subitem}[alph]!
   \end{block}
-  \begin{block}{Enumerate symbol}
-    \verb!\setbeamertemplate{enumerate item}[default]!
-  \end{block}
-  \begin{minipage}[t]{0.4\textwidth}
+  \begin{minipage}[t]{0.3\textwidth}
     One of
     \begin{itemize}
     \item \verb!default!
@@ -153,13 +153,24 @@
     \item \verb!ball!
     \end{itemize}
   \end{minipage}
-  \begin{minipage}[t]{0.4\textwidth}
-    For itemize only:
+  \begin{minipage}[t]{0.3\textwidth}
+    \verb!itemize! only:
     \begin{itemize}
     \item \verb!arrow!
+    \item \verb!dash!
     \item \verb!triangle!
     \end{itemize}
   \end{minipage}
+  \begin{minipage}[t]{0.3\textwidth}
+    \verb!enumerate! only:
+    \begin{itemize}
+    \item \verb!alph!
+    \item \verb!Alph!
+    \item \verb!arabic!
+    \item \verb!roman!
+    \item \verb!Roman!
+    \end{itemize}
+  \end{minipage}
   \begin{block}{Color}
     \verb!\setbeamercolor{item}{fg=black, bg=white}!
   \end{block}
@@ -421,6 +432,12 @@
   \end{itemize}
 \end{frame}
 
+\begin{frame}{More resources}
+  \begin{block}{Beamer appearance cheat sheet}
+    \url{http://www.cpt.univ-mrs.fr/~masson/latex/Beamer-appearance-cheat-sheet.pdf}
+  \end{block}
+\end{frame}
+
 \end{document}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/ut-example.tex b/ut-example.tex
index 5ddca66..d5f3de1 100644
--- a/ut-example.tex
+++ b/ut-example.tex
@@ -96,6 +96,52 @@
   \end{minipage}
 \end{frame}
 
+\begin{frame}[fragile]{Nested itemize and enumerate}
+  \begin{minipage}[t]{0.45\textwidth}
+    \vspace{-2ex}
+    \begin{block}{Itemize}\small
+      \verb!\begin{itemize}!\\
+      \verb!\item Apple!\\
+      \verb!  \begin{itemize}!\\
+      \verb!  \item Red!\\
+      \verb!  \item Green!\\
+      \verb!  \end{itemize}!\\
+      \verb!\item Banana!\\
+      \verb!\end{itemize}!
+    \end{block}
+    \begin{itemize}
+    \item Apple
+      \begin{itemize}
+      \item Red
+      \item Green
+      \end{itemize}
+    \item Banana
+    \end{itemize}
+  \end{minipage}
+  \hfill
+  \begin{minipage}[t]{0.45\textwidth}
+    \vspace{-2ex}
+    \begin{block}{Enumerate}\small
+      \verb!\begin{enumerate}!\\
+      \verb!\item Apple!\\
+      \verb!  \begin{enumerate}!\\
+      \verb!  \item Red!\\
+      \verb!  \item Green!\\
+      \verb!  \end{enumerate}!\\
+      \verb!\item Banana!\\
+      \verb!\end{enumerate}!
+    \end{block}
+    \begin{enumerate}
+    \item Apple
+      \begin{enumerate}
+      \item Red
+      \item Green
+      \end{enumerate}
+    \item Banana
+    \end{enumerate}
+  \end{minipage}
+\end{frame}
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \begin{frame}[fragile,c]{Alert and structure}
   The \verb!\alert{}! command \alert{emphasizes} text.
@@ -238,6 +284,12 @@
   \end{itemize}
 \end{frame}
 
+\begin{frame}{More resources}
+  \begin{block}{Beamer appearance cheat sheet}
+    \url{http://www.cpt.univ-mrs.fr/~masson/latex/Beamer-appearance-cheat-sheet.pdf}
+  \end{block}
+\end{frame}
+
 \end{document}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%