yes of course you can change your ring tone. i hated that dom ring tone skype has so i made mine. go to this site
http://www.users.dialstart.net/~gbg/html/t...hone_sounds.htm
download any of the ring tone. but u have to change it into a wave file in order for it to work. a simple way to change it to a wave file if u dont have a tool to convert it, is to record the sound from your speakers to your mic, using sound recorder on your computer. save the new file to a location of your choice.
then on skype click
file>>>options>>>>ring tones>>>brower
and brower to the location where u saved the new file
select the file and before u leave click save.
search all over the web to find ring tones and do the same.
i hope i was of help 2 u