How to have html or gifs or nonenglish eot for all interface text

eg. how to enable html while 'administer'ing for forum names, gallery names, any taxonomy
for example, forum name entered as Only local images are allowed. shows as icon
in topiclist page but as the raw code in forumlist page
-- this is needed if names are intended to be replaced by gifs or pngs

How to enable html for po files so that for example

eg.
msgid "view"
msgstr "Only local images are allowed."
finally shows up as the icon instead of the code itself.
want to show it as icon - gif/png only
-- this is necessary for certain languages which do not have support to show
those language fonts either in unicode or by any other means.

How to have custom names or gifs for tracker stuffs like
# My discussions.
# Active discussions. ( eg. --> hot affairs )
Unable to do this by po or unable to find what to change where.

How to enable system wide eot font ??

Which files to change eg. style .css etc ?