hi :) On 2002-08-31 at 1134.05 -0500, Cindy Huyser typed this: > > /usr/lib/crt1.o: In function `_start': > /usr/lib/crt1.o(.text+0x18): undefined reference to `main' > /usr/lib/libgimp.so: undefined reference to `PLUG_IN_INFO' > collect2: ld returned 1 exit status > i don't know about the c plug-ins, but the scripted plug-ins need to satisfy some registration demands. here is a tutorial to help to write c plugins for gimp: http://gimp-plug-ins.sourceforge.net/doc/Writing/html/plug-in.html good luck! carol ps -- what does your plug-in do?