Forumlar / Cotonti / Extensions / Add text to your uploaded images dynamically (text from the page fields eg)

Some comments:

• first of all — why you are need it? May be there are another way to do it.
• nevertheless this can be done with PHP standard GD library, that already used in CMS (see http://ru2.php.net/manual/en/book.image.php for docs). 
• the main question: is there any usefull hooks (in PAgeAvatar for example) to catch some image related code to insert own for image manipulation.