Happy news from the visa front: earlier than expected, I found a letter from the Uzbek consulate in the mail yesterday. For some reason I feared there would be an issue with overlapping visas, but apparently this does not seem to be one after all. So what did I do to get the visa?

• Fill in the on-line form at the Ministry of Foreign Affairs, print the resulting PDF file and add a photo to that form.
• Write a nice letter asking for a visa
• Add a registered and stamped return envelope
• Add my passport
• Send prove of money transfer for the visa request

and that was it!
The next step now is to request a tourist visa for Iran. I double checked the visa requirements on the website of the Iranian consulate in Munich (which is the one to contact if you live in Southern Germany) and it seems that there is no need to involve a travel agent. All the travel agent does, is to request a reference number with the Iranian Ministry of Foreign Affairs, which takes between 3 and 7 days. The consulate in Munich also performs this request and it takes 5 days. Thus there is not really any gain, except if I would ask for an express visa. In that case, the consulate performs the remaining activities in 2 instead of 10 days.
Tomorrow I will mail my passport with the following information to the Iranian consulate:

• Filled in visa request form, which you can find here
• Passport
• Two photos
• Registered and stamped return envelope
• Prove for the money transfer for the visa request

Hope this works as well as the previous two visas!