A fine tool not only for the Desire but for ever Android device available at the Android Market.
You can check and post bloggs whereever you are and whenever you like.
Simply download the app and install it. No harm done since it's 100% free.
Market Link: https://market.android.com/details?id=com.google.android.apps.blogger&feature=search_result
PS: I am going to try to post as many bloggs as possible in english but since my english skills are very limmited most of the posts are going to be in german.