I used this tut,
1. Blogger dashboard
2. Templates
3. Edit HTML
then get code from
http://www.way2blogging.org/2011/03/how-to-add-syntax-highlighterv3-to.html
make sure to make your code html friendly, otherwise formatting might be shit
http://www.elliotswan.com/postable/
#!/bin/bash
#
# This file echoes a bunch of color codes to the
# terminal to demonstrate what is available. Each
# line is the color code of one forground color,
# out of 17 (default 16 escapes), followed by a
# test use of that color on all nine background
# colors (default 8 escapes).
#
# Taken from the Bash Prompt HOWTO:
# http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html
T='gTk' # The test text
echo -e "\n 40m 41m 42m 43m\
44m 45m 46m 47m";
for FGs in ' m' ' 1m' ' 30m' '1;30m' ' 31m' '1;31m' ' 32m' \
'1;32m' ' 33m' '1;33m' ' 34m' '1;34m' ' 35m' '1;35m' \
' 36m' '1;36m' ' 37m' '1;37m';
do FG=${FGs// /}
echo -en " $FGs \033[$FG $T "
for BG in 40m 41m 42m 43m 44m 45m 46m 47m;
do echo -en "$EINS \033[$FG\033[$BG $T \033[0m";
done
echo;
done



