Whenever there is need of my lecture, I am always prepared to serve; it doesn't matter whether big or small. Probably as you are making fine arrangements, many will come to the Temple to hear me, so in that case, I must come. Best thing will be to see people in the class, not in my private apartment. Lecturing or meeting must be done in the classroom, that's all.
If the two girls, Ekayani and Sudarsana, want to be engaged in drawing for helping BTG, let them do so. The simple thing is they must be engaged in this artistic work. It is very nice that they want to occupy in every spare moment with their artwork, it is very laudable, and it means they are anxious to serve. So I am also awaiting to see them very eagerly, and see how nice they are.
Yes, the Panca-tattva picture is standard, no need of changing. Panca-tattva belongs to Navadvipa and it is authentic. In Vrindaban, there is Radha-Krishna, that you have got enough pictures of, and you have got picture of Radha Madan Mohan Temple. When you go to Vrindaban, you can take pictures of important places; wait for those days when I shall accompany you in all the important places of Vrindaban.