Sorry for the post , i find since 10hours , i am going to explain you what i made :
1) I download Tekkit 3.13 , with all mods , i have download Mo'Creatures for bukkit in the link : http://mcportcentral.co.za/wiki/index.php?title=Ports_for_1.2.5
2) I put the mocreatures.zip in my file " mods " , i have to restart the server, I made /plugins and there is "mod_mocreature" in green, thus he works , seen that I have not the mod in customer, I have neither mopeds, neither objects.
3) I download Mo'Creatures for client in the link :
( in the description , the link
" 3.5.0 ".
4) I put the mocreatures.zip ( client ) in my file " mods " , i start my launcher , i go to my server and a message say to me : " You don't have forge #136+ (4096 fix ). I have to download and to test several forges (the last ones in 1.2.5) and am that worked and I always had the message is I had a black screen. I not have download Modloader or ModloaderMP but this night, i have to try with Modloader and ModloaderMP and that my fact a black screen.
5) Help plz !