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Vclaw's comment made me check openMTBmap for Bolivia. It is not provided so my suggestion is useless.
Sorry

There are many, many ways to download OSM-Maps to Mapsource and from there to your Garmin device.
It very much depends on what you want to use the maps for: Driving, Bicycling, Mountain Biking or Rambling!
For the last three the easiest is to use the openMTBmap at
http://openmtbmap.org/download/
There is a deatailed, accurate, and extensive online documentation available on the pertinent web pages. It is brilliant but so are other providers.
Have fun and let me know if you require any further assistance about openMTBmap.

Gibt bitte JOSM die weiße Fahne. Die Lernkurve ist eben höher, aber es lohnt sich.
In Köln gibt es ein Stammtisch:
osm.wiki/Stammtisch_K%C3%B6ln
Geh hin, die sind bestimmt Dankbar ein neuer USER zu haben und sind außerdem sehr hilfsreich.
OSM Daten zu sammeln ist nicht schwer aber kann sehr komplex sein.
Bleib bei die einfacher Ergänzungen und Änderungen bis die sitzen.
Have fun und nice to have you here!

Ich vermüte das wir immer wieder solche schlechterer "Verbesserungen" bekommen werden. Newbies, globalen Imports. und sehr schlechte GPX-Tracks von Handys sind die Ursachen. Wie soll ein Newbie wissen das sein GPX-Tracks schlechte sind als anderen. Er is eben ein Newbie und wird alle Fehler machen das wir auch schon hinter uns haben.
Global Imports werden alle unsere Survey Daten beeinflüßen: Stehen welche an?

Normalweise durch STRG (gedruckt halten) und über die Koordinaten mit der Maus ziehen.

Shernott, I agree with you. But, it's not worth getting angry: Just stay annoyed and move on: we are doing this for fun, aren't we?

Basically either the land is used or it is natural.
Roads, tracks and paths go through residential, farmland,forests and natural land.
If I walk, ride or drive on any one of the above then I am on the relevant landuse/natural area; e.g. a residential road going through a residential area is on landuse=residential.
For an extreme example of excessive mapping around roads goto:
osm.org/?lat=-36.90&lon=174.65&zoom=13
using JOSM.
I contacted the contributor about this time consuming redundant work but I was unable to convince him. As I said to him/her: It not wrong so do it your way.
As far as my own work is concerned, it is being continually corrected by others and that is good so. What I don't understand, though, is why my contributions are no longer in the relevant changesets: They are lost in history, but that does not worry me at all.
As anyone who uses OSM-Inspector knows, there are hundreds of thousand of geometrical errors in the OSM Databank. Where areas have mutual boarders then it only makes sense to link these boarders together thereby reducing the risk that new users will once again create new geometrical errors.
My tribute goes to the renderers who somehow make usable maps out of the OSM data. It is the chaos theory working here!
As far as buildings are concerned, where is the benefit within a defined residential area. Are we heading for door to door routing? Nice to have but not needed. Or is it 3D animation? Nice to have for game players I suppose.
We OSMers just do the bits we like to do and leave the rest for others and that is as it should be.

That is very well done. Congradulations

How do you define 93%. i.e. Are all POIs etc. included.

If a single way that is to be uploaded has more than 2000 nodes the server will not take it. The way must be divided into segments of less than 2000 nodes and a relation created.
For an example of a large single entity see
osm.org/?lat=38.4006500244141&lon=-7.27157592773438&zoom=10
It is the Barragem de Alqueva/Embalse de Alqueva (Relation Number 1.464.895):
With a surface of 250 km2, the "Barragem de Alqueva" is today the biggest artificial lake in Europe.
The relation contains 275 islets, all objects have 48.996 nodes.
Its outer ways have a total length of 1.124 km (1.124.139,19 m)

You really need to read and maybe printout the Map-Features and Proposed Map-Features pages.
One of the most important phrases at the start of Map-Features is
"You can use any tags you like as long as the values are verifiable. However, there is a benefit in agreeing to a recommended set of features and corresponding tags in order to create, interpret and display a common basemap."
What this tells you is that you yourself can define any tag you want, i.e. you are not restricted to the Map-Features tag definitions.
For example, a fellow user near me has his own tag building:roof:shape=pyramidal
(It is now in the Proposed Features Page) which I think the universities are using to render 3D Shapes.
For most of the OSM contributors (including me) we stick to the predefined definitions and as a newbie you would be well advised to go step-by-step in steady increments before attempting to change the OSM-Database.
If you are not yet aware of Routes, relations and multipolygons,etc. then there is a large chance that you will destroy the work of others.
If where you are living is not well mapped (Highways and Landuse,etc.) it would seem to me to it would advisable to complete these before going to the more complex issues of routes, relations and multipolygons but having said that it is your area of influence so do what you want.

I have no experience of Potlach.
Three years ago I started with JOSM as advised then by experienced contributers.
I suggest you do the same. Once you get the hang of JOSM (ask for advice here)
your editing will be far easier.
There are hundreds of thousands of geometrical errors in the OSM-Database. See
http://tools.geofabrik.de/osmi/?view=geometry
which, if what you say for Potlach is true, can only be corrected with great difficulty using that editor, whereas in JOSM it is, in most cases, very easy.
Another error-check tool is:
http://keepright.ipax.at/report_map.php?db=osm_EU&zoom=14&lat=48.20808&lon=16.37221
It always a good idea to check your work (and that of others in the neighbourhood).
and have fun

Viel Spass in Urlaub. Ich habe von Anfang an JOSM verwendet und komme mit Mapnik
nicht zurecht. Good mapping!

I tend to agree with Skippen. i.e. Remove users who not contributed any data at all. I know it is not statistically representative but here is a summary of the activities of those in my vicinity:
9 users with 0 input
10 users with last input over 2 years ago
5 users with last input over 1 year ago
12 users with inputs during the last 12 months
Where lies the argument for keeping those with 0 data imputs:
Is it to bloat the number of users to the press by about 33%.
Let's face it: The more data there is in OSM and the more complex (multipolygons and relations, etc.) it becomes, the more difficult it will become to make data additions/changes in the future.
Take a look at OSM-Inspector and see the errors being made by newcommers and I mean errors and not just missing tags/attributes.
Minh Nguyen is probably right, the newcomers are looking for route directions; don't get them and return to Google.
I suggest that newcommers only become users when they make a single entry.
This does not have to be field data, it could be other information in the Wiki format.

Question to HannesHH
Will the SanDisk card in the link be OK?
Is there a cheaper alternative that also would to the job.
What I want to try is to put the Map Droid data on the memory card.
Would MapDroid work that way?

http://www.digitfoto.de/p-SANDISK_SDHC_Card_Extreme_32GB_30MB_s_-SANDISK94157-73.html

What I do to align the Bing imagery is to load the saved tracks to Josm, (preferably a main twisty road with a lot of tracks). Your eye can then average the tracks and you align the Bing imagery to those averaged tracks. I know it only works when there are a lot of saved tracks to average on so this method of alignment will only work in remote areas.

You guys really amaze me with your knowledge. I have just bought my first mobile phone and I have no experience at all how I can use it! I have been mapping for 3 years now (just for fun) and I want to see the OSM data on it but I don't know how to begin. My phone is a Samsung Galaxy I1900 which should have the capapilities I am looking for. Anyway, I just checked the Samsung Apps Store for MapDroyd,Zanavi and OsmAnd but to no avail.
What am I doing wrong?
Should I purchase a 32 GByte additional memory card and if so what make?
NOTE: Samsung states: Quote: "some brands may not be fully compatible with your device ... and may damage your device or the memory card".
Isn't that a great help!
Is the process of downloading an app like those above easy for a novice?
I ask this simple question because the Samsung Handbook and device is so full of acronyms and other expressions of which I have no idea what they mean or what they are used for.
Just like OSM doc. Chaos. Basically it leaning by doing both in OSM and my new device.

OSM is also very difficult to use on my Android (Galaxy I1900) too. It is so bad that I refrain from showing it to OSM strangers; I show them OsmAnd instead. I only wish I was a developer!!!

Excellent achievement. I too request you add bicycling and hiking.