[unsupported]
One of my current projects has requirements to add toolbar buttons to allow the user to create a new, related Entity such as a phone call or appointment with a click of a button.
Buttons are added to the toolbar by modifying the isv.config.xml and inserting code similar to the following:
<Button
Title="Phone Call"
[…]

When you create a new Entity within MSCRM you have a choice to make regarding the ownership of that Entity.
From the MSCRM 3.0 Help File:
In the Ownership list, select either:

User
Records for this entity can be owned by individual users. For example contact records are set to User.–   OR –
Organization
Records for this entity are used […]

In the Microsoft Business Solutions CRM Developer Newsgroup, Arne Janning gave an excellent suggestion for those of you with developer inclinations and a willingness to explore the MSCRM system to learn more about its inner-workings.
Open Notepad and create a file that looks like this:
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" >
  <ItemGroup>
    <Item Include="*/**" />
  </ItemGroup>
</Project>
  
Note: If you copy and paste […]

The more you get into MSCRM development, the more you will probably realize that you are writing quite a bit of JavaScript to control various aspects of the CRM Client experience.  As most programmers find, the more code you write, the more you write code.  You also start developing a code library containing your most often used functions […]