Hi dewaltman,
Here are a couple of sites I've used where you can find free TomTom downloads:
TomTom Sat Nav and also
Pocket GPS World. Also you can google for free TomTom downloads.
For the caravan club POI's I used :
jollyinteresting.
For the French aires I used
www.camping-car.infos.com.- on the first page click on cliquez pour enter (in the middle of the page) then on the next page on the left side click on synchronisation coordonnees GPS and then on the next page at the bottom click on Fichierzip pour TomTom.
Also now you can download quite a few from your TomTom home when you connect your TomTom to it.
This is the way I've downloaded to my TomTom;(here I'm using the french aires as an example)
First of all create a new folder on your PC and call it TomTom POI's.
Having sourced the web site - CCinfos - click on 'cliquez pour entrer' and then on the left side column you will see 'synchronisation coordonnees GPS'. Click on it and scroll the resulting page to find 'Fichier Zip' in green print. Click on TomTom 'Fichiers pour TT (.ov2)' and when file download prompts, click 'save' and save it to your readily available folder.
Go to the folder and locate the 'zipped' file = 'Aires-CCinfos-TomTom'. Open this file. Under 'folder tasks' on left side, click on 'extract files'. This produces 'extraction wizard' with file option to save to (TT POI's as above). Click 'next' and then 'finish'.
Return to your TT POI's folder where you will now find a 'new folder' containing the 'unzipped' files which you require for transfer to TT.
Open this folder, reduce it and move to one side of your screen (A).
Connect TT to your PC. Now go to 'my computer' - locate TT icon and click on the icon. On the resulting page, open the folder 'Western Europe Map' (or whatever). Reduce the size. You now have two reduced pages on your screen.
Go back to the donor page (A) and click on 'edit' then 'select all'.
Nearly there - drag the selection onto the map page and the job is done.
After disonnecting TT from the PC, leave it for a few minutes to enable the download to 'sort itself' before switching off.
I hope this makes sense,
Good luck

(it's quite easy once you've done it a few times)
Angie