Patches for yamaha psr 1000

[Evergrey]

Hello i'm begining to play keyboard and I have a yamaha psr 1000,i´m not very satisficed because I havent got some currently sounds and other sounds are not very good, I'm searching organs like the frecuently used for 70,s prog groups, hammond,strings "symphony x stile",and more synth sounds,but if anybody gots good other good sounds,perfect.
I konw I cant got maravillous sounds whit this keyboard but if you got anyone of this.... please ,help me!,thank you