Tips from the R-help list : shadow text in a plot and bumps charts

Stumbling across the R-help mailing-list I found, as often happens,  two threads in the spirit of this blog (of course, since they come from the list, the quality is higher): here you can find a function allowing  a shadow outline style for a text in a plot. From here you can follow an interesting thread depicting how to produce bumps charts in R.