Wedding arches

So I bought this wedding arch and these chairs for our wedding in October! Wanting some inspiration on how to decorate the arch and maybe the chairs. Chairs will be for our table. No real “theme” but the overall envision is vintage with pinks and cremes. Any ideas? We are very non traditional in terms of not going to have a lot of “normal wedding things”ex: mr and mrs or cheesy wedding sayings etc. All is mainly diy. Flowers are going to be roses and dahlias.

Update: it will be an inside wedding in this gorgeous great hall. We plan to vent the arch in the middle of the windows.