There are several ways you can use TimeSprite with FogBugz:
If you use FogBugz for your time tracking, TimeSprite can download the information for easier viewing. Once you have entered the connection information, simply click the arrow to download times for the current interval.

TimeSprite can send its time tracking information to FogBugz. You can either select your current case in the TimeSprite monitor using the system tray icon, or assign time to cases later in the TimeSprite Journal.

Selecting the current case from the system tray

Assigning a case number to time in the journal
TimeSprite tracks when you are actually using your computer, so you can get more accurate time records.
When you want to send the data to FogBugz, click the arrow to upload the data. Intervals which have not yet been sent will be uploaded.
You can track your time in FogBugz, and combine the records with TimeSprite’s automatic tracking. Let TimeSprite automatically track what you are working on, and periodically download the data from FogBugz. You can then see the FogBugz case information alongside TimeSprite’s record of which applications and documents you were using.
Conflicts
Time tracking information from FogBugz will override the FogBugz case information in TimeSprite. TimeSprite will not upload changes if there are already time records for the same interval. However, it will keep trying. To get rid of the error message when you upload the data either: