:idea: Identifying a library through the footprint is sometimes complicated. a little trick you can see pictures *. bmp, *. png in the control window EAGLE
Steps
1: Open the library SparkFunEagle.lbr
2: Press button [package] and choose a package
3: for example if we put a picture of Mini Push Button Switch
put the following code description and ready
http://static.sparkfun.com/images/produ … L_l_th.jpg
Please update your library SparkFunEagle.lbr
http://www.sparkfun.com/tutorial/SparkF … -28-09.zip
with this feature thanks