diff --git a/model.tex b/model.tex
index 487d3ae5809272cfb66cc821d1e9cbd93873b663..638731538a4ef755ff4d71a953cfca709c3d0db5 100644
--- a/model.tex
+++ b/model.tex
@@ -20,13 +20,17 @@
 % pour ne pas mettre l'extension des images
 \DeclareGraphicsExtensions{.fig,.pdf,.png,.jpg}
 
+
 % beamer theme
 \mode<presentation>
 % If you want headline with section list
 %\usetheme[infolines]{tptnew}
-% If you want to add "Université Paris Saclay" logos
-%\usetheme[logosaclay]{tptnew}
-\usetheme{tptnew}
+% If you want to add affiltation logos
+\usetheme[tptaffiliation]{tptnew}
+%\usetheme{tptnew}
+% If tpt is affiliated to a new entity, just give the new logos
+\affiliationlogoinfooter{IPP-small}
+\affiliationlogointitle{IPP-small-red}
 
 
 %%------------------------------------------------------------------------------
@@ -55,7 +59,8 @@
 
 \author{Graba Tarik}
 \institute{COMELEC--SEN}
-\extralogo{\includegraphics[width=2cm]{logo-cnrs}}
+% Additional logo in the title page
+\extralogo{\includegraphics[width=2.5cm]{IPP-large}}
 \date{}
 %------------------------------------------------------------------------------
 \begin{document}
diff --git a/texinputs/IPP-large.png b/texinputs/IPP-large.png
new file mode 100644
index 0000000000000000000000000000000000000000..d8b5383f2aea54cd3836deb5189bc9f44488e63b
Binary files /dev/null and b/texinputs/IPP-large.png differ
diff --git a/texinputs/IPP-small-red.png b/texinputs/IPP-small-red.png
new file mode 100644
index 0000000000000000000000000000000000000000..1997723fae7fb41f3b3ed9ae3b5d03377fc5de16
Binary files /dev/null and b/texinputs/IPP-small-red.png differ
diff --git a/texinputs/IPP-small.png b/texinputs/IPP-small.png
new file mode 100644
index 0000000000000000000000000000000000000000..2d606f9834d2786be12124a4451447efe05760ad
Binary files /dev/null and b/texinputs/IPP-small.png differ
diff --git a/texinputs/beamerthemetptnew.sty b/texinputs/beamerthemetptnew.sty
index 79234dca2528f10a8eaa641c7da6a02ff6937ef5..0de697ff4a2d1b2b45b7d00e511527d06b4347bd 100644
--- a/texinputs/beamerthemetptnew.sty
+++ b/texinputs/beamerthemetptnew.sty
@@ -10,8 +10,8 @@
 \DeclareOption{infolines}{\tpt@infolinestrue}
 \newif\iftpt@navsymbols\tpt@navsymbolstrue
 \DeclareOption{nonavsymbols}{\tpt@navsymbolsfalse}
-\newif\iftpt@logosaclay\tpt@logosaclayfalse
-\DeclareOption{logosaclay}{\tpt@logosaclaytrue}
+\newif\iftpt@tptaffiliation\tpt@tptaffiliationfalse
+\DeclareOption{tptaffiliation}{\tpt@tptaffiliationtrue}
 \ProcessOptions
 
 %
@@ -22,9 +22,10 @@
 \newcommand\dept[1]{\gdef\insertdept{#1}}
 \dept{}
 
+\newlength{\titlelogowidth}
+\setlength{\titlelogowidth}{2cm}
 % le logo de la page de titre
-\pgfdeclareimage[width=2cm]{LogoFirst}{logo-gray.pdf}
-\pgfdeclareimage[width=2cm]{LogoFirstSaclay}{logo-upsay-violet.pdf}
+\pgfdeclareimage[width=\titlelogowidth]{LogoFirst}{logo-gray.pdf}
 % pour positionner ce logo par rapport au coin sup. gauche
 \newcommand\logoskipv{.12\paperheight}
 \newcommand\logoskiph{.10\paperwidth}
@@ -32,25 +33,46 @@
 \newcommand\extralogo[1]{\gdef\insertextralogo{#1}}
 \extralogo{}
 
-\newlength{\logoheight}
+\newlength{\footerlogoheight}
 \newlength{\brownblockwidth}
-\iftpt@logosaclay
-% Quand le logo de Saclay est utilisé, il faut réduire la taille à 5% de la largeur de la slide
-   \setlength{\logoheight}{.05118\paperwidth}
+
+% Pour Modifier les logos des affiliations
+% Au cas où le nom du ficgier contiendrait des _ on passe par une macro pour modifier
+% son interprétation
+\def\affiliationlogoinfooter{\begingroup\catcode`\_=12 \REALaffiliationlogoinfooter}
+
+\newcommand\REALaffiliationlogoinfooter[1]{%
+   \pgfdeclareimage[height=\footerlogoheight]{footerAffiliation}{#1}%
+   \endgroup%
+}
+
+\def\affiliationlogointitle{\begingroup\catcode`\_=12 \REALaffiliationlogointitle}
+
+\newcommand\REALaffiliationlogointitle[1]{%
+   \pgfdeclareimage[width=\titlelogowidth]{titleAffiliation}{#1}%
+   \endgroup%
+}
+
+% Affiliation par défaut l'upsay
+\affiliationlogoinfooter{logo-upsay-e}
+\affiliationlogointitle{logo-upsay-violet}
+
+\iftpt@tptaffiliation
+% Quand le logo des affiliations est utilisé, il faut réduire la taille à 5% de la largeur de la slide
+   \setlength{\footerlogoheight}{.05118\paperwidth}
    \setlength{\brownblockwidth}{.42\paperwidth}
-   \newcommand\insertFirstLogoSaclay{\hspace{\logoskiph}\pgfuseimage{LogoFirstSaclay}\vspace{.18\paperheight}}
-   \newcommand\insertLogoSaclay{\hspace{1em}\raisebox{-1.5ex}{\pgfuseimage{logoUPSay}}\hspace{1em}}
+   \newcommand\insertFirstLogoSaclay{\hspace{\logoskiph}\pgfuseimage{titleAffiliation}\vspace{.18\paperheight}}
+   \newcommand\insertAffLogo{\hspace{1em}\raisebox{-1.5ex}{\pgfuseimage{footerAffiliation}}\hspace{1em}}
 \else
 % le logo fait 1cm de haut soit 7.8% des 12.8cm de large d'un beamer 4/3 standard
-   \setlength{\logoheight}{.07812\paperwidth}
+   \setlength{\footerlogoheight}{.07812\paperwidth}
    \setlength{\brownblockwidth}{.44\paperwidth}
    \newcommand\insertFirstLogoSaclay{}
-   \newcommand\insertLogoSaclay{}
+   \newcommand\insertAffLogo{}
 \fi
-\pgfdeclareimage[width=\logoheight]{logoTPT}{tpt}
+
+\pgfdeclareimage[width=\footerlogoheight]{logoTPT}{tpt}
 \logo{\pgfuseimage{logoTPT}}
-% pour l'upsay
-\pgfdeclareimage[height=\logoheight]{logoUPSay}{logo-upsay-e}
 
 % .3 cm pour un beamer standard de 9.6cm de haut
 \newcommand\footlineheight{0.03125\paperheight}
@@ -197,7 +219,7 @@
       \hspace*{\footlinespacing}%
       \hfill{}%
       \raisebox{-1.5ex}{\insertlogo}% le logo
-      \insertLogoSaclay%
+      \insertAffLogo%
    }%
    \vskip3pt%
 }