thanx for notes.
1- I could see the uploaded pictures ! after several hours some of pictures (of the 9 latest ads) disappeared from FTP !!!!
2- I have changed the Password of my FTP account.
3-Thanx Joe I'll do that. but they say they are the Iweb reseller ! who is controlling the server ? Iweb security team or the reseller ?
4-all other pictures r displayed with no problem.
Thanx for help