I have the fix for the tomtom in detail guys. It's pretty simple... read on.
Install the tomtom from this forum, i know that it still isn't working. I currently have a video that is still compressing.
Then install your self "ifile" found in cydia......
launch ifile and you should be in the main root directory, path shown at the top in the app called "/"
Next, locate your tomtom path, that being /var/mobile/applications..... In there you will see many wierd named folders, look through each of them and find the folder which has "UK-Ireland.app"
Hold your finger on the UK-Ireland.app folder till a pop up asks to select, select and then at the bottom you will have a clipboard image, click it and "CUT"
Now scroll back to your root directory being "/"
Scroll up till you find the folder called "Applications" click that folder and hold your finger anywhere inside there till you get "Paste" come up, paste the "Uk-Ireland" folder which you had cut before. Now exit Ifile and REBOOT YOUR DEVICE!!
there you have it, working tomtom. Let me know if it worked for you...
Just some side notes to bear in mind:
You do not have to uninstall siriport or what ever siri you are using, you don't have to uninstall anything!
Tomtom decides to work in the original folder it wouldn't start up in, GOD KNOWS WHY (good thing i guess) but i'd recommend you leave the uk-ireland.app folder in the applications folder.
This method MAY work for other programs that crash on start up, so no harm giving it a try.
Let me know if my method is worth putting up a video on youtube. By the way, new guy in town... got my self registered at last.