fail & sent gif persist

Android : 2.2.1
Cel : HTC wildfire
Operator : Bouygues telecom (France)

What : when i send sms, my contact received it but sometime the fail or send gif persist. On firefox 8.0
When : I don't know
How to reproduce : I send some sms on my own cel and the problem appears.

Thanks for the clear and detailed bug report. Our developers are looking into this issue now.