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Has some problems with the code not finding Arduino.h from Wire.h. http://forum.arduino.cc/index.php?topic=79595.120 suggested the utility directory was not included in path. Select your project->properties->C/C++ general->Paths and symbols select the includes path click add; click workspace; select the utility folder in the ethernet folder. select ok; make sure you have "add to all languages" and "add to all configurations" on. Select OK Following libraries will need this: Wire;SD and Ethernet Fixed the problem for me.
More info:http://playground.arduino.cc/Code/Eclipse, http://www.baeyens.it/eclipse/
Just installed the code as listed in http://forum.hobbycomponents.com/viewtopic.php?f=39&t=1324. Note that without antenna, the transfer did only go 30-40cm. After adding antenna (10-15cm) 3 meters was no problem. Also some info here: http://ninjablocks.com/blogs/how-to/7501042-adding-rf-433mhz-to-your-arduino
Does it exis a pinout standard ? Quick google showed nothing. Several users their "own" standard. One uses says: "Personally I went with [VCC, SDA, GND, SCL] to be easily routed to/from this chip and also be immune to a VCC/GND mix up when plugged in backward.", ref http://electronics.stackexchange.com/questions/47056/is-there-any-definitive-i2c-pin-out-guidance-out-there-not-looking-for-a-stand .
Seems like default the Arduino IDE looks for library files in the arduino default libraries folder. I wanted my library files together with my sketch (same git repo). Had some problems with that until I realized that I have to restart the IDE after moving library folders into the sketch folder.