Sure, a few strategies that you can use to ensure the campaign theme resonates with the followers of the influencers you select include:

1. Understanding the Influencer’s Niche: Thoroughly research the influencers you are willing to collaborate with. Gauge whether their content and interest areas align with your campaign theme. This is critical because their followers would be interested in a similar niche.

2. Identify the Follower Demographics: Audience analytics are crucial in influencer marketing. It allows you to understand the demographics of an influencer’s followers. With this information, you can tailor your campaign to suit the age, location, and interests of the audience.

3. Interpreting Past Performance: Dig into the influencer’s past campaign/post performances. Look at which topics or themes received the most engagement. This can provide insights into what resonates with the followers.

4. Engagement or Comments Analysis: Engage with the comments left by the influencer’s followers. This can give you an insight into what they appreciate or dislike about the content, enabling you to align your campaign suitably.

5. Testing and Adjusting: Start small, test your campaign strategy, and monitor the response. Based on engagement and analytics, you might want to adjust your approach or theme to better resonate with the followers.

An influencer marketing platform like Flinque can help significantly with these strategies. It offers tools for influencer discovery, audience analytics, and performance tracking, all of which can be instrumental in making informed decisions about campaign planning, execution, and measurement. However, it’s worth noting that different platforms offer varying features and capabilities, and the final choice of tool should depend on your specific needs and requirements.