Installing local packages in R for MacOSX 10.4.2

Dear all,

I have been using R for Windows before but recently switched to  
Mac. Now I
am confused about how to install local packages using R 2.1.1. on  
the Mac.
I found the menu Packages and Data, and have used it succesfully to  
install
CRAN and Bioconductor packages (all binaries) by selecting these
repositories from the pull-down menu and clicking the Get List button.
However there is one package from OmegaHat I want to install  
(Rcurl). Since
this is not a listed repository in the Install Packages pull-down  
menu, I
tried the Other Repository function and entered the URL for the  
OmegaHat
page. This doesn't work as R tries to add /PACKAGES to the URL and  
this is
apparently not how the OmegaHat site is set up (I tried the same with
bioconductor's URL and that did work). SO I downloaded the .tar.gz  
file. I
remember from my R for Windows there was an option Install Package  
From
Local File. But in this version of R for MAC I can't find this. In  
the R FAQ
for MAC OSX it says I should choose, in the Install Packages menu, the
option Local Package from the pull-down menu. But then the Get List  
button
is greyed out, and no packages appear in the list. I have tried  
putting the
.tar.gz file in several places: in the working directory (/user/ 
admin in
this case), in the R-Framework/Resources/Library directory, but  
never is the
file listed in the Install Packages menu. I must be doing something  
wrong
but don't know what. This is the text from the R FAQ for OSX, which I
followed:
"You can also download any other package from the Internet yourself  
and
decide to install it from source. In such case select one of the local
entries in the top left list." (The top left list being the pull- 
down menu I
described and the local entries being Local Binary package, Local  
Source
Package, and Local Package Directory).


Could somebody please help me out?

Best wishes,
Marije


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