I don't know if this might work but have you considered trying to connect via bluetooth since usb way isn't working out for you, I'll look into WM FTP for you.
edit: Found this FTP clients of google for you. look at them and see if they will work or not.
http://www.portaplus.com/ftp.html
^ that one looked pretty good. free for 14 days.
2. I found this other one thats free again but I don't know how this things work so here you go...
http://www.thexsoft.com/MobileFTPClient
3. heres another one... I'll stop now to avoid making a huge list rofl... Remember I don't know if this things will work... and just browser it via your cell phone to the download links to download the cab :P
http://www.nchsoftware.com/classic/index.html