add text to a jpg.. as in hiding text within a jpg ?

Camouflage
http://usuarios.lycos.es/malhackteam...s/Camou121.zip

I use the above version (free) and this one below must be be a later version ?
As it appears to be an "evaluation" version..
http://www.microidea.net/SQHideFile/Camouflage.htm

if it's just putting text ON a jpg, well.. a photo editor will do that.