Examples of powerful LaTeX packages and techniques in use — a great way to learn LaTeX by example. Search or browse below.
PSTricks LaTeX Example 1: Plotting points
A short example showing how to use the pstricks package for plotting points on a graph with axes.
Original source: http://www.thelazymathematician.com/p/pstricks-examples.html
Tikz airplane picture
Vectorized into eps by potrace, converted into metapost by pstoedit, manually edited into a tikz picture, cleaned up a bit.