Minor changes.

packages/Graphics.sty

@@ -44,7 +44,7 @@
 
 }
 \newcommand{\centerfig}[4][]{
-	\begin{figure}[htp]%
+	\begin{figure}[htpb]%
 		\centering%
 		\includegraphics[keepaspectratio,#1]{#2}%
 		\caption{#4}%
@@ -53,7 +53,7 @@
 }
 
 \newcommand{\bigfig}[4][\bigfloatoverhang]{%
-	\bigfloat[#1]{figure}{htp}{%
+	\bigfloat[#1]{figure}{htpb}{%
 		\captionsetup{type=figure}%
 		\includegraphics[keepaspectratio,width=\textwidth]{#2}%
 		\centering\captionof{figure}{#4}\par%
@@ -83,7 +83,7 @@
 ]{\twinfigwidth}
 
 \newcommand{\twinfig}[7][\bigfloatoverhang]{%
-	\bigfloat[#1]{figure}{htp}{%
+	\bigfloat[#1]{figure}{htpb}{%
 		\begin{tblr}{%
 			colspec	= {%
 				*{2}{Q[c,m,wd=\twinfigwidth]}%